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Inventor:
Cargin, Jr.; Keith K.
Address:
Cedar Rapids, IA
No. of patents:
41
Patents:












Patent Number Title Of Patent Date Issued
7918401 Multi-level hierarchical radio-frequency communication system April 5, 2011
Portable measuring devices which communicate by low power transceivers through a communication controller with a printer device collect weight and size data on articles to be shipped. The collected weight and size data are combined with origin and destination data, and labels are pri
7885242 Enhanced mobility and address resolution in a wireless premises based network February 8, 2011
A mobile customer service station operating within a wireless multi-hop communication network includes a console on a wheeled chassis. The console carries and houses a number of components which are used in merchandising operations to conclude customer purchase transactions. The item
7873343 Communication network terminal with sleep capability January 18, 2011
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which, in turn, communicate with one or more host computers for storage and manipulation of data collected by bar
7826818 Network supporting roaming, sleeping terminals November 2, 2010
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which, in turn, communicate with one or more host computers for storage and manipulation of data collected by bar
7558557 Low-power messaging in a network supporting roaming terminals July 7, 2009
A data collection network supporting roaming terminals which may enter and exit a sleep mode to conserve power. A plurality of base stations each periodically transmit pending message indications to those roaming data collection terminals within range. Instead of requiring the transceive
7536167 Network supporting roaming, sleeping terminals May 19, 2009
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which, in turn, communicate with one or more host computers for storage and manipulation of data collected by bar
7510121 Multi-level hierarchical radio-frequency communication system March 31, 2009
Portable measuring devices which communicate by low power transceivers through a communication controller with a printer device collect weight and size data on articles to be shipped. The collected weight and size data are combined with origin and destination data, and labels are pri
7388742 Portable computerized data communication device June 17, 2008
In one embodiment, a portable computerized data communication device in a data communication system may include, for example, a user interface; a computerized system controlling operation of the device; a device housing having a normal closed condition defining an interior space within t
7206592 System for coupling a multiplicity of RF data collection terminals with host computer means April 17, 2007
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which communicate with one or two host computers for storage and manipulation of data collected by bar code sc
7004395 Multi-level hierarchical radio-frequency communication system February 28, 2006
Portable measuring devices which communicate by low power transceivers through a communication controller with a printer device collect weight and size data on articles to be shipped. The collected weight and size data are combined with origin and destination data, and labels are pri
6895419 Hand-held computerized data collection terminal May 17, 2005
A portable terminal is provided with an internal connector accessible via an opening at one end of the terminal. A peripheral device is integrated with the terminal by coupling a peripheral circuit with the connector via the opening. A peripheral housing may serve to protectively cover t
6749122 Multi-level hierarchial radio-frequency system communication system June 15, 2004
Portable measuring devices which communicate by low power transceivers through a communication controller with a printer device collect weight and size data on articles to be shipped. The collected weight and size data are combined with origin and destination data, and labels are printed
6614768 Enhanced mobility and address resolution in a wireless premises based network September 2, 2003
A mobile customer service station operating within a wireless multi-hop communication network includes a console on a wheeled chassis. The console carries and houses a number of components which are used in merchandising operations to conclude customer purchase transactions. The items su
6375344 Data capture system with communicating and recharging docking apparatus and hand-held data termi April 23, 2002
In an exemplary embodiment, a hand-held data terminal has external electrical contact pads which mate with resilient contacts of a docking receptacle for the interchange of data and the supply of charging current to the terminal. The terminal may be loaded into and removed from the d
6244512 Hand-held data capture system with interchangeable modules June 12, 2001
A hand-held data collection device with a user interface surface that is wider than its handgrip area. Also, a hand-held data collection device with an upwardly facing surface containing a user interface and a side surface containing a plurality of actuators. The data collection device
6023147 Hand held computerized data collection terminal with rechargeable battery pack sensor and batter February 8, 2000
An improved hand-held data terminal is provided. A sensing circuit senses the presence of rechargeable batteries. A rechargeable battery pack can be used in the hand-held data terminal. The battery pack can include a short circuit element. The short circuit element comes into contact wit
6006100 Multi-level, hierarchical radio-frequency communication system December 21, 1999
Portable measuring devices which communicate by low power transceivers through a communication controller with a printer device collect weight and size data on articles to be shipped. The collected weight and size data are combined with origin and destination data, and labels are printed
5940771 Network supporting roaming, sleeping terminals August 17, 1999
A data collection network supports roaming terminals which may enter and exit a sleep mode to conserve power. A plurality of base stations each periodically transmit pending message indications to those roaming data collection terminals in range. Instead of requiring the transceiver with
5928292 Vehicular data system for communicating with remote host July 27, 1999
A vehicle for transport, fork lift or delivery route operations, for example, includes on-board peripherals which are coupled through a Local Area Network (LAN) into a data system. A LAN data bus provides selective access to the peripherals or data devices such as, for example, a large
5898162 Hand-held data capture system with interchangeable modules April 27, 1999
A hand-held data collection terminal unit includes an elongate housing having a lower portion supportable in the hand of a user and an upper portion facing such user when the terminal is in a typical use position. The upper portion includes a keyboard and a display screen. In accordance
5895431 Communication system used to assist deliveries of goods or services April 20, 1999
A vehicle for transport, fork lift or delivery route operations, for example, includes on-board peripherals which are coupled through a Local Area Network (LAN) into a data system. A LAN data bus provides selective access to the peripherals or data devices such as, for example, a large
5844893 System for coupling host computer meanswith base transceiver units on a local area network December 1, 1998
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which communicate with one or two host computers for storage and manipulation of data collected by bar code scanne
5793604 Data collection terminal with an upper portion wider than a hand-grip and located over the hand- August 11, 1998
A portable, hand-held data collection terminal unit is of modular structure including among other modules a display screen module, a keyboard module and a base module, each of which may be chosen from a plurality of modules available for assembly into the terminal unit. Consequently, a w
5747786 Communication module for a data capture system May 5, 1998
A communication module for use with a portable terminal. The module includes a housing, mounting apparatus, a radio frequency transceiver and an indicia reader connector. The module can enable real-time, on-line communication with a remote host. The system can also include an antenna.
5708680 Network utilizing a controller and base transceivers to route voice packets January 13, 1998
Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which communicate with one or two host computers for storage and manipulation of data collected by bar code scanne
5694318 Vehicular data system for communicating with remote host December 2, 1997
A vehicle for transport, fork lift or delivery route operations, for example, includes on-board peripherals which are coupled through a Local Area Network (LAN) into a data system. A LAN data bus provides selective access to the peripherals or data devices such as, for example, a large
5602456 Hand held computerized data collection terminal with rechargeable battery pack sensor and batter February 11, 1997
An improved hand-held data terminal is provided. A sensing circuit senses the presence of rechargeable batteries. A rechargeable battery pack can be used in the hand-held data terminal. The battery pack can include a short circuit element. The short circuit element comes into contact wit
5530619 Hand-held data capture system with interchangeable modules and side-mounted function key June 25, 1996
A portable, hand-held data collection terminal unit is of modular structure including among other modules a display screen module, a keyboard module and a base module, each of which may be chosen from a plurality of modules available for assembly into the terminal unit. Consequently, a w
5517434 Data capture system with communicating and recharging docking apparatus and hand-held data termi May 14, 1996
In an exemplary embodiment, a hand-held data terminal has external electrical contact pads which mate with resilient contacts of a docking receptacle for the interchange of data and the supply of charging current to the terminal. The terminal may be loaded into and removed from the d
5515303 Hand-held computerized data collection terminal with rechargeable battery pack sensor and batter May 7, 1996
An improved hand-held computer terminal for use in the route distribution industries. The housing of the terminal provides a keypad and sixteen line display and is molded to fit the grip of the user. Circuit boards within the terminal housing arc modular in arrangement and are connected
5465207 Vehicle data system November 7, 1995
A vehicle for transport, fork lift or delivery route operations, for example, includes on-board peripherals which are coupled through a Local Area Network (LAN) into a data system. A LAN data bus provides selective access to the peripherals or data devices such as, for example, a large
5457629 Vehicle data system with common supply of data and power to vehicle devices October 10, 1995
A vehicle for transport, fork lift or delivery route operations, for example, includes on-board peripherals which are coupled through a Local Area Network (LAN) into a data system. A LAN data bus provides selective access to the peripherals or data devices such as, for example, a large
5418684 Hand-held data capture system with interchangeable modules May 23, 1995
A portable, hand-held data collection terminal unit is of modular structure including among other modules a display screen module, a keyboard module and a base module, each of which may be chosen from a plurality of modules available for assembly into the terminal unit. Consequently, a w
5371858 Data communication system for assigning addresses to hand-held data terminals December 6, 1994
In an exemplary embodiment, portable data devices can be coupled with a local area network at any of a multiplicity of points and integrated into the system on a dynamic basis. The preferred system is highly flexible and closely adaptable to changing needs of an individual user. For exam
5331580 Data capture system with communicating and recharging docking apparatus, and modular printer and July 19, 1994
In an exemplary embodiment, a portable data device is insertable into a docking receptacle for communication with other devices. In route delivery operations and the like, a hand-held computerized data terminal is coupled with a docking unit for recharging of its batteries and communicat
5289378 Vehicle lan with adapters for coupling portable data terminals February 22, 1994
A vehicle for transport, fork lift or delivery route operations, for example, includes on-board peripherals which are coupled through a Local Area Network (LAN) into a data system. A LAN data bus provides selective access to the peripherals or data devices such as, for example, a large
5239662 System including multiple device communications controller which coverts data received from two August 24, 1993
In a store data communications system, multiple data sources having disparate communications standards are connected with respective device interfaces of a multiple device communications controller unit. Multiple protocol controllers are coupled with the respective device interfaces and
5202817 Hand-held data capture system with interchangeable modules April 13, 1993
A portable, hand-held data collection terminal unit is of modular structure including among other modules a display screen module, a keyboard module and a base module, each of which may be chosen from a plurality of modules available for assembly into the terminal unit. Consequently, a w
5195183 Data communication system with communicating and recharging docking apparatus for hand-held data March 16, 1993
In an exemplary embodiment, portable data devices can be coupled with a local area network at any of a multiplicity of points and integrated into the system on a dynamic basis. The preferred system is highly flexible and closely adaptable to changing needs of an individual user. For exam
5023823 Multiple channel communications system and packaging configuration therefor June 11, 1991
In accordance with one illustrated embodiment herein, a personal computer system such as that known as the PC/AT is adaptable by means of its expansion slots so as to provide a multichannel communications capability, with a plug-in communications board providing interrupt vectors to the
4972463 In-store multiple device communications unit and centralized data system utilizing same November 20, 1990
In a store data communications system, multiple data sources having disparate communications standards are connected with respective device interfaces of a multiple device communications controller unit. Multiple protocol controllers are coupled with the respective device interfaces and










 
 
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