U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5901666

Pet Display Clothing

A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 380/47 - Plural generators


Subclass of Class 380 - Cryptography
Definition: Subject matter which includes more than one generator to
No. of patents: 209
Last issue date: 01/03/2012


          6  
NumberTitleIssue Date
4163870Circuit for producing a pulse succession
A circuit for producing a pulse succession of long duration from several mutually independently produced synchronous pulse successions of shorter duration in which the output signal is derived as a logical function. Each of the pulse successions of shorte...
08/07/1979
4145568Method and apparatus for ciphering and deciphering messages
Method and apparatus for ciphering and deciphering messages, wherein series of cipher pulses with an identical pulse distribution are generated by the transmitter and the receiver stations and said pulse distribution is determined by a secret basic code a...
03/20/1979
4145569Method and apparatus for synchronizing the ciphering and deciphering of binary-coded messages
1. A method of ciphering and deciphering binary coded messages represented by coded series of pulses comprising setting a first pulse generator to an initial condition as defined by a secret basic code and then generating under control of a first clock a ...
03/20/1979
4115657Random digital code generator
The specification discloses a random digital code generator operable over a series of key cycles for generating a randomized digital bit during each key cycle. The generator includes a plurality of first registers each having a predetermined cycle period ...
09/19/1978
3991268PCM communication system with pulse deletion
1. A pulse code modulation system, including a source of intelligence conveying code groups of pulse elements of pulse code modulated signals, apparatus for suppressing individual pulse elements of said code groups of pulse elements of said pulse code mod...
11/09/1976
3968454Signaling circuit
1. In a pulse-producing system, a plurality of space discharge tube ring circuits each comprising a different number of stages, the numbers of stages in the rings having no common factor greater than one, means to cause said rings to step in unison, means...
07/06/1976
3934078Key generating system
1. In a key pulse generating circuit for producing key pulses varying in amplitude in highly irregular manner, said pulses occurring at a given rate, means to generate high speed off-on pulses at a rate many times higher than said given rate in a pluralit...
01/20/1976
3931473Digital multiplexer system
A second level multiplexer for a PCM data system provides for fast reframing by utilizing the stuff words in the frame organization in addition to the main framing word. This provides a clear indication of a misframe condition. In addition, integration of...
01/06/1976
          6  
 
Sign InRegister
Username  
Password   
forgot password?