1
James Herman Scheuneman: Conditional bypass of error correction for dual memory access time selection. Sperry Rand Corporation, Kenneth T Grace, William E Cleaver, Marshall M Truex, September 5, 1978: US04112502 (154 worldwide citation)

A method of and an apparatus for conditionally bypassing the error correction function of a large scale integrated (LSI) semiconductor random access memory (RAM) is disclosed. A content addressable memory (CAM) is utilized to store the addresses of the addressable locations in the RAM in which an er ...


2
Brian R Larson: M Out of N code checker circuit. Sperry Corporation, William C Fuess, Kenneth T Grace, Marshall M Truex, February 5, 1985: US04498177 (137 worldwide citation)

An N bit input word is partitioned into parts, preferably N/3 parts of 3 bits each. Each part is counted in parallel for the number of binary ones contained therein in first stage parallel code generators, preferably in N/3 parallel berger code generators each producing on 2 binary encoded signal li ...


3
Lawrence L Rainwater: Steerable directional antenna. Sperry Corporation, John B Sowell, Kenneth T Grace, Marshall M Truex, August 17, 1982: US04345256 (124 worldwide citation)

A steerable directional antenna assembly steerable about two perpendicular axes is disclosed. It comprises a directional horn antenna rotatably mounted on a horseshoe gimbal to rotate about a first axis. A curved wave guide feed is connected at one end to the feed portion of the directional antenna. ...


4
William P Lowell, Douglas M Jagunich: Remote controlled test interface unit. Sperry Rand Corporation, John B Sowell, Kenneth T Grace, Marshall M Truex, November 8, 1977: US04057847 (121 worldwide citation)

A universal remotely controlled test interface test unit is adapted to be connected through plug connections to an on-site computing system having one or more central processing units and associated peripheral equipment. The test interface unit is provided with a limited function keyboard control fo ...


5
Robert J Currie, Glen D Rattlingourd, Billie M Spencer, John W Zscheile Jr: Apparatus for interleaving and de-interleaving data. Sperry Corporation, John B Sowell, Kenneth T Grace, Marshall M Truex, July 19, 1983: US04394642 (121 worldwide citation)

A novel interleaver-de-interleaver is provided which is adapted to store bits of a data stream after being error encoded. The data bits are stored in a random access memory in addresses identifiable by an array of columns and rows. The interleaver comprises address pointer means and logic for readin ...


6
John W Zscheile Jr: Matched filter spread spectrum code recovery apparatus. Sperry Corporation, John B Sowell, Kenneth T Grace, Marshall M Truex, November 29, 1983: US04418393 (112 worldwide citation)

Apparatus is provided for decreasing the acquisition time for recovering spread spectrum codes. The transmitted spread spectrum code is preceeded by a sync signal to establish system time at the receiver. The received coded data signals are applied to a matched filter or a delay line such as a surfa ...


7
James Herman Scheuneman: Conditional bypass of error correction for dual memory access time selection. Sperry Rand Corporation, Kenneth T Grace, William E Cleaver, Marshall M Truex, November 15, 1977: US04058851 (96 worldwide citation)

A method of and an apparatus for conditionally bypassing the error correction function of a large scale integrated (LSI) semiconductor random access memory (RAM) is disclosed. A content addressable memory (CAM) is utilized to store the addresses of the addressable locations in the RAM in which an er ...


8
James H Scheuneman: High performance storage unit. Sperry Corporation, Charles A Johnson, Kenneth T Grace, Marshall M Truex, December 30, 1986: US04633434 (77 worldwide citation)

A large capacity (8 memory banks of 524K error-corrected 36 bit words stored) high performance (latency as low as 240 nanoseconds, 12.8 gigabits/second aggregate data transfer capability with up to 11.4 gigabits/second utilized) pipelined (8 deep request pipeline) random access memory store simultan ...


9
Vernon K Andersen, Michael W Goddard: Storage interface unit. Sperry Rand Corporation, Thomas J Nikolai, Kenneth T Grace, Marshall M Truex, June 29, 1976: US03967247 (72 worldwide citation)

A storage interface unit adapted to serve as a high speed buffer between plural requestor units and a relatively low speed main memory in a data processing system. The high speed buffer provides temporary storage for a limited number of blocks of data stored in the main memory. When a particular add ...


10
Billie M Spencer, William S Cady, John W Zscheile Jr: Coherent spread spectrum receiving apparatus. Sperry Corporation, John B Sowell, Kenneth T Grace, Marshall M Truex, March 6, 1984: US04435822 (68 worldwide citation)

In a digital data acquisition system, there is provided a coherent direct sequence spread spectrum receiving system. The coherent receiving system comprises an independent carrier tracking loop and three independent branches for detecting and locking on to a received psuedonoise data signal. The psu ...