Secrecy Order on Patent Applications 15 June 1945


This file is from the National Archives and Records Administration (NARA2), College Park, Maryland, R.G. 457 (Records of the National Security Agency), Box 808


Op-20-G/mel

SECRET

MEMORANDUM

15 June 1945

From: Lt. Cdr. R. H. Rose, USNR

To: Op020-G-4

Subj: Patent Applications of NCR Company – Secrecy Order on.

1. It is propsed to recommend withdrawal of secrecy order on the following patent applications. Permission is requested thereafter.

488496 – Mumma

Electronic impulse generator for producing a burst of a precalculated number of pulses of unit value, under control of a key bank.

531694 – Mumma

Electron tube counting ring in which succeeding tubes are fixed in sequence.

453834 – Mumma

Device for producing impulses in bursts, that may be counted by an electronic counter. Controlled by keyboard.

519851 – Mumma

Device for producing impulses as above, with means for creating one impulse in tube anode circuit for each full operation of counting ring.

477096 – Mumma et al

Communication system in which data is transmitted as bursts of different numbers of identical signals. Electronic impulses as above are used to form symbols.

458546 – Desch et al

Communication system in which bursts of impulses are used as above.

523024 – Desch et al

Communication system as above. Divisonal case.

523025 – Desch et al

Communication system as above. Divisional case.

489506 – Desch et al

Plurality of gaseous discharge tubes in one envelope.

R. H. Rose

[in handwriting:

“OK to clear

488496

531694

489506

E”]

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