| Patent Number |
Title Of Patent |
Date Issued |
| 4731856 |
Automatic assembly apparatus |
Mar. 15, 1988 |
| 4731855 |
Pattern defect inspection apparatus |
Mar. 15, 1988 |
| 4731854 |
Optical system for producing an image for a set of characters |
Mar. 15, 1988 |
| 4731853 |
Three-dimensional vision system |
Mar. 15, 1988 |
| 4731852 |
Method to electronically clarify sound or picture information and an arrangement to carry out th... |
Mar. 15, 1988 |
| 4731851 |
Digital signal gain control circuitry for varying digital signals in substantially equal db step... |
Mar. 15, 1988 |
| 4731850 |
Programmable digital hearing aid system |
Mar. 15, 1988 |
| 4731849 |
Electronic ausculscope |
Mar. 15, 1988 |
| 4731848 |
Spatial reverberator |
Mar. 15, 1988 |
| 4731847 |
Electronic apparatus for simulating singing of song |
Mar. 15, 1988 |
| 4731846 |
Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal |
Mar. 15, 1988 |
| 4731845 |
Device for loading a pattern recognizer with a reference pattern selected from similar patterns |
Mar. 15, 1988 |
| 4731844 |
Apparatus for cancelling a pilot signal from a composite signal |
Mar. 15, 1988 |
| 4731843 |
Method and device of increasing the execution speed of cipher feedback mode of the DES by an arb... |
Mar. 15, 1988 |
| 4731842 |
Security module for an electronic funds transfer system |
Mar. 15, 1988 |
| 4731841 |
Field initialized authentication system for protective security of electronic information networ... |
Mar. 15, 1988 |
| 4731840 |
Method for encryption and transmission of digital keying data |
Mar. 15, 1988 |
| 4731839 |
Method for coding and de-coding audio and video information |
Mar. 15, 1988 |
| 4731838 |
AGC circuit used in a CATV receiver |
Mar. 15, 1988 |
| 4731837 |
Method and device for secure transmission and of television pictures |
Mar. 15, 1988 |
| 4731836 |
Telephone set for table-top and wall operation |
Mar. 15, 1988 |
| 4731835 |
Reverberation tone generating apparatus |
Mar. 15, 1988 |
| 4731834 |
Adaptive filter including signal path compensation |
Mar. 15, 1988 |
| 4731833 |
Low profile circuit board mounted telephone jack |
Mar. 15, 1988 |
| 4731832 |
Process and apparatus for control of a hands-free telephone set operating in alternation between... |
Mar. 15, 1988 |
| 4731831 |
Telephone instrument |
Mar. 15, 1988 |
| 4731830 |
Nonsaturating interface supply |
Mar. 15, 1988 |
| 4731829 |
Circuit for detecting current variations |
Mar. 15, 1988 |
| 4731828 |
Ring trip detection in telecommunications exchanges |
Mar. 15, 1988 |
| 4731827 |
Interswitch line circuit |
Mar. 15, 1988 |
| 4731826 |
Mixed mode dialing system |
Mar. 15, 1988 |
| 4731825 |
Nonblocking switching system and method |
Mar. 15, 1988 |
| 4731824 |
Chime pulser for phone call backup interpreter |
Mar. 15, 1988 |
| 4731823 |
Apparatus and method related to communicating analog signals between different local access tran... |
Mar. 15, 1988 |
| 4731822 |
Held party notification feature |
Mar. 15, 1988 |
| 4731821 |
Single wire telephone intercommunication system |
Mar. 15, 1988 |
| 4731820 |
Data transmission system of key telephone system |
Mar. 15, 1988 |
| 4731819 |
Prepayment product or service dispenser |
Mar. 15, 1988 |
| 4731818 |
Self-computing credit card telephone paystation method and system |
Mar. 15, 1988 |
| 4731817 |
Multi-processing stored program controlled telecommunication establishment |
Mar. 15, 1988 |
| 4731816 |
Ensemble modem structure for imperfect transmission media |
Mar. 15, 1988 |
| 4731815 |
Reset system for telephone answering machine in the event of a power failure |
Mar. 15, 1988 |
| 4731814 |
Computer-controlled cordless telephone |
Mar. 15, 1988 |
| 4731813 |
Address encoding system for portable battery-operated devices |
Mar. 15, 1988 |
| 4731812 |
Installation with portable, wireless telephone sets |
Mar. 15, 1988 |
| 4731811 |
Radiotelephone system, particularly for motor vehicles |
Mar. 15, 1988 |
| 4731810 |
Neighborhood home security system |
Mar. 15, 1988 |
| 4731809 |
Indoor telephone network interface device |
Mar. 15, 1988 |
| 4731808 |
Guides for intraoral X-rays |
Mar. 15, 1988 |
| 4731807 |
X-ray examination apparatus |
Mar. 15, 1988 |
