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

Combinatorial coded telemetry

Patent 4787093 Issued on November 22, 1988. Estimated Expiration Date: Icon_subject September 15, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3519746

System for serially transmitting parallel digital data
Patent #: 4027301
Issued on: 05/31/1977
Inventor: Mayer

System for communication
Patent #: 4095226
Issued on: 06/13/1978
Inventor: Kratzer

Selective calling circuit
Patent #: 4114138
Issued on: 09/12/1978
Inventor: Demers

Remote control system Patent #: 4430652
Issued on: 02/07/1984
Inventor: Rothenbuhler ,   et al.

Inventor

Assignee

Application

No. 06/907727 filed on 09/15/1986

US Classes:

375/239, PULSE POSITION, FREQUENCY, OR SPACING MODULATION340/855.4, Pulse or digital signal transmission375/285, Antinoise or distortion375/343, Correlative or matched filter714/748Request for retransmission

Examiners

Primary: Safourek, Benedict V.

Attorney, Agent or Firm

International Classes

H04L 25/49 (20060101)
E21B 47/18 (20060101)
E21B 47/12 (20060101)

Abstract

A unipolar, RZ, constant width pulse telemetry is achieved in the combinatorial set, or any desired subset of pulse sequences thereof. Each input datum W is in one-to-one correspondence with a particular pulse sequence and the correspondence of datum with pulse sequence and vice versa is implemented by any selected ordering of the pulse sequences of the combinatorial set together with a successive comparison of the magnitude of the datum with the cumulative combinatorial capacity of the set.

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