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GB629255A - Improvements in or relating to electric impulse frequency changing devices - Google Patents

Improvements in or relating to electric impulse frequency changing devices

Info

Publication number
GB629255A
GB629255A GB1456146A GB1456146A GB629255A GB 629255 A GB629255 A GB 629255A GB 1456146 A GB1456146 A GB 1456146A GB 1456146 A GB1456146 A GB 1456146A GB 629255 A GB629255 A GB 629255A
Authority
GB
United Kingdom
Prior art keywords
impulse frequency
frequency changing
relating
electric impulse
changing devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1456146A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1456146A priority Critical patent/GB629255A/en
Publication of GB629255A publication Critical patent/GB629255A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses

Landscapes

  • Electrotherapy Devices (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

629,255. Pulse frequency changing circuits. STANDARD TELEPHONES & CABLES, Ltd., and DUNN, R. H. May 14, 1946, No. 14561. Drawings to Specification. [Class 40 (vi)] An electric impulse frequency changing device comprises means for deriving a variable direct current electric function proportional to the impulse frequency of the input, as described in Specification 629,244, [Group XXXVIII], and means for obtaining an output of impulse frequency proportional to the variable electric function, as described in Specification 629,254.
GB1456146A 1946-05-14 1946-05-14 Improvements in or relating to electric impulse frequency changing devices Expired GB629255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1456146A GB629255A (en) 1946-05-14 1946-05-14 Improvements in or relating to electric impulse frequency changing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1456146A GB629255A (en) 1946-05-14 1946-05-14 Improvements in or relating to electric impulse frequency changing devices

Publications (1)

Publication Number Publication Date
GB629255A true GB629255A (en) 1949-09-15

Family

ID=10043446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1456146A Expired GB629255A (en) 1946-05-14 1946-05-14 Improvements in or relating to electric impulse frequency changing devices

Country Status (1)

Country Link
GB (1) GB629255A (en)

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