Apparatus and method for transmission of communications

• US 4,387,455 A
• Filed: 07/13/1981
• Issued: 06/07/1983
• Est. Priority Date: 06/18/1981
• Status: Expired due to Fees

• Current Assignee: Niravoice Incorporated
• Original Assignee: Nira Schwartz
• Inventors: Schwartz, Nira
• Primary Examiner(s): Robinson, Thomas A.
• Application Number:
  US06/283,086
• Time in Patent Office: 694 Days
• Field of Search: 370/11, 178/22.19, 179/1.5 R, 179/1.5 E, 371/40
• US Class Current: 370/204
• CPC Class Codes: G06F 11/1441 Resetting or repowering
• CPC Class Codes: H04J 99/00 Subject matter not provided for in other groups of this subclass

Abstract

Apparatus for transmission of information in digital form comprising apparatus for providing a plurality of signals coded into a multiplicity of digital code elements in accordance with a first modulation technique; and apparatus for providing a plurality of coded addresses for transmission, each of the coded addresses representing a digital code in accordance with a second modulation technique corresponding to a combination of code elements of individual ones of the plurality of signals.

Claims

1. Apparatus for transmission of information in digital form comprising:

means for providing a plurality of signals in parallel coded into a multiplicity of digital code elements in accordance with a first modulation technique; and

means for providing a plurality of coded addresses for transmission, each of said coded addresses representing a digital code in accordance with a second modulation technique corresponding to a combination of code elements of individual ones of said plurality of signals.

2. Apparatus according to claim 1 and also comprising means for transmitting said coded addresses in accordance with said first modulation technique.

3. Apparatus according to claim 1 and also comprising means for transmitting said coded addresses in accordance with said second modulation technique.

4. Apparatus according to claim 1 and also comprising means for receiving and decoding said coded addresses in order to provide said plurality of signals.

5. Apparatus according to claim 2 and also comprising means for receiving and decoding said coded addresses in order to provide said plurality of signals.

6. Apparatus according to claim 3 and also comprising means for receiving and decoding said coded addresses in order to provide said plurality of signals.

7. Apparatus according to claim 1 and also comprising means for sampling a plurality of analog signals for providing said plurality of signals.

8. Apparatus according to claim 2 and also comprising means for sampling a plurality of analog signals for providing said plurality of signals.

9. Apparatus according to claim 3 and also comprising means for sampling a plurality of analog signals for providing said plurality of signals.

10. Apparatus according to claim 4 and also comprising means for sampling a plurality of analog signals for providing said plurality of signals.

11. Apparatus according to claim 5 and also comprising means for sampling a plurality of analog signals for providing said plurality of signals.

12. Apparatus according to claim 6 and also comprising means for sampling a plurality of analog signals for providing said plurality of signals.

13. Apparatus according to claim 1 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

14. Apparatus according to claim 2 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

15. Apparatus according to claim 3 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

16. Apparatus according to claim 4 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

17. Apparatus according to claim 5 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

18. Apparatus according to claim 6 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

19. Apparatus according to claim 7 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

20. Apparatus according to claim 8 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

21. Apparatus according to claim 9 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

22. Apparatus according to claim 10 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

23. Apparatus according to claim 11 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

24. Apparatus according to claim 12 and wherein said means for providing a plurality of coded addresses comprise memory means storing a plurality of addresses corresponding to a plurality of combinations of code elements.

25. Apparatus according to any of claims 1-24 and wherein said first modulation technique is PCM and said second modulation technique is FM.

26. Apparatus according to any of claims 1-24 and wherein said first modulation technique is PCM and said second modulation technique is pulse width modulation.

27. Apparatus according to any of claims 1-24 and wherein said first modulation technique is PCM and said second modulation technique is AM.

28. Apparatus for transmission of information in digital form comprising:

first means for modulating a carrier wave by means of a first modulation technique which defines time slots corresponding to digital information bits; and

second means for modulating said carrier wave by means of a second modulation technique which is applied discretely to individual time slots.

29. Apparatus according to claim 28 and wherein said second modulation means comprises means for modulating said carrier wave by said second modulation technique at each individual time slot, separately.

30. Apparatus according to claim 28 and wherein said second modulation means comprises means for modulating said carrier wave by said second modulation technique separately at groups of a plurality of individual time slots.

31. Apparatus according to any of claims 28-30 and also comprising means for receiving the transmitted modulated carrier wave and decoding same in accordance with said second modulation technique.

32. A method for transmission of information in digital form comprising the steps of:

providing a plurality of signals in parallel coded into a multiplicity of digital code elements in accordance with a first modulation technique; and

providing a plurality of coded addresses for transmission, each of said coded addresses representing a digital code in accordance with a second modulation technique corresponding to a combination of code elements of individual ones of said plurality of signals.

34. A method according to either of claims 32 and 33 and also comprising the step of transmitting the digital information in modulated form.

33. A method for transmission of information in digital form comprising the steps of:

modulating a carrier wave by means of a first modulation technique which defines time slots corresponding to digital information bits; and

modulating said carrier wave further by means of a second modulation technique which is applied discretely to individual time slots.