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Class Information
Number: 340/825.52
Name: Communications: electrical > Selective > Addressing
Description: Subject matter having plural controlled devices at distinct locations, each one of the devices being controlled by one or more unique signals whereby the individual devices may be controlled over a common communication channel.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4115856 |
Interfaces for connecting a data-processing unit to a working station |
Sep. 19, 1978 |
| 4100533 |
Multipoint polling technique |
Jul. 11, 1978 |
| 4091361 |
Noise-immune carrier current actuated control |
May. 23, 1978 |
| 4088983 |
Electronic polling and calling communication system |
May. 9, 1978 |
| 4081612 |
Method for building-up of routing addresses in a digital telecommunication network |
Mar. 28, 1978 |
| 4037201 |
Digital radio control |
Jul. 19, 1977 |
| 4017799 |
High speed multiplex data transmission system |
Apr. 12, 1977 |
| 4017835 |
System for verifying credit status |
Apr. 12, 1977 |
| 4016369 |
Addressing arrangements for communications networks |
Apr. 5, 1977 |
| 4014001 |
Addressable signalling apparatus having master calling feature with output latches and wrong digit reject |
Mar. 22, 1977 |
| 3990027 |
Channel selector for electronic tuner having channel voltages stored in memory |
Nov. 2, 1976 |
| 3986169 |
Device protection method and apparatus |
Oct. 12, 1976 |
| 3980825 |
System for the transmission of split-phase Manchester coded bivalent information signals |
Sep. 14, 1976 |
| 3978468 |
Intercom call signaling mechanism |
Aug. 31, 1976 |
| 3965335 |
Programable data entry system |
Jun. 22, 1976 |
| 3946362 |
Time division multiple transmission control apparatus |
Mar. 23, 1976 |
| 3943305 |
Telephone line control system |
Mar. 9, 1976 |
| 3940568 |
Circuit arrangement for telephone exchange installations with central control means and a plurality of individual apparatuses having a common information communication line connecting the indi |
Feb. 24, 1976 |
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