GB1011224A - A pulse modulator - Google Patents

A pulse modulator

Info

Publication number
GB1011224A
GB1011224A GB45787/61A GB4578761A GB1011224A GB 1011224 A GB1011224 A GB 1011224A GB 45787/61 A GB45787/61 A GB 45787/61A GB 4578761 A GB4578761 A GB 4578761A GB 1011224 A GB1011224 A GB 1011224A
Authority
GB
United Kingdom
Prior art keywords
signal
diode
pulse
frequency
zero
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
GB45787/61A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1011224A publication Critical patent/GB1011224A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/04—Position modulation, i.e. PPM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
GB45787/61A 1960-12-30 1961-12-21 A pulse modulator Expired GB1011224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79817A US3187273A (en) 1960-12-30 1960-12-30 Zero axis crossing pulse modulator

Publications (1)

Publication Number Publication Date
GB1011224A true GB1011224A (en) 1965-11-24

Family

ID=22153007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45787/61A Expired GB1011224A (en) 1960-12-30 1961-12-21 A pulse modulator

Country Status (5)

Country Link
US (1) US3187273A (enExample)
BE (1) BE611923A (enExample)
DE (1) DE1295636B (enExample)
GB (1) GB1011224A (enExample)
NL (1) NL272830A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324402A (en) * 1962-12-31 1967-06-06 Gen Electric Tunnel diode amplitude modulation detector
US3290686A (en) * 1963-05-20 1966-12-06 John R Kobbe Modulation conversion circuit for changing frequency modulation into pulse width modulation and omnirange receiver circuit utilizing such conversion circuit
US3393363A (en) * 1963-10-07 1968-07-16 Forster Ind Inc Amplifying means employing pulse width modulation
US3449593A (en) * 1964-10-26 1969-06-10 Digitronics Corp Signal slope derivative detection apparatus
US3436561A (en) * 1965-02-17 1969-04-01 Martin Marietta Corp Voltage deviation sensor
US3510640A (en) * 1966-05-13 1970-05-05 Research Corp Method and apparatus for interpolation and conversion of signals specified by real and complex zeros
US3611208A (en) * 1970-01-23 1971-10-05 Bell Telephone Labor Inc Analog to digital code converter using microplasma diode
US4020440A (en) * 1975-11-25 1977-04-26 Moerman Nathan A Conversion and control of electrical energy by electromagnetic induction
US4251738A (en) * 1978-08-10 1981-02-17 The United States Of America As Represented By The Secretary Of The Air Force Balanced input zero differential detector
CN111487456B (zh) * 2020-03-27 2021-11-16 威胜信息技术股份有限公司 从工频信号中提取特征信号的方法、系统和档案管理方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075663B (de) * 1960-02-18 Siemens &. Halske Aktiengesell schaft Berlin und München Schal ungsanordnung zur Wiederherstellung der Flankensteilheit von Impulsen und zur I eistungsverstarkung von Impulsen
US2975377A (en) * 1956-08-07 1961-03-14 Ibm Two-terminal semiconductor high frequency oscillator
US2986724A (en) * 1959-05-27 1961-05-30 Bell Telephone Labor Inc Negative resistance oscillator
US3096445A (en) * 1959-11-13 1963-07-02 Rca Corp Square wave generator compristing negative resistance diode and mismatched delay line producing steep edge pulses
US3092734A (en) * 1959-12-18 1963-06-04 Rca Corp Amplitude limiter for a. c. signals using a tunnel diode
US2978576A (en) * 1960-03-01 1961-04-04 Gen Electric Radio-frequency amplifier and converter circuits

Also Published As

Publication number Publication date
US3187273A (en) 1965-06-01
BE611923A (fr) 1962-04-16
NL272830A (enExample)
DE1295636B (de) 1969-05-22

Similar Documents

Publication Publication Date Title
GB1011224A (en) A pulse modulator
GB1180982A (en) Improvements in or relating to Pulse Duration Modulators
GB1044251A (en) An amplitude comparator device
US3350576A (en) Trigger countdown circuit which is armed and triggered by different portions of the same trigger pulse
GB583541A (en) Improvements in or relating to pulse modulation systems of electric communication
GB906310A (en) Improvements in data transmission system
US2875412A (en) Pulse width modulator
GB1039000A (en) Apparatus and method for recording video signals on magnetic tape
GB832528A (en) End stop circuit for servo systems
GB1082325A (en) Improvements in or relating to modulated high-frequency circuit arrangements
CA2013866A1 (en) Frequency shift keying modulation and demodulation for serial communication on a current loop
KR840002185A (ko) 시리얼 신호 전송장치
GB600253A (en) Electric pulse modulation systems
US3748497A (en) Transfer gate
US3579146A (en) Digital modulator and demodulator
US3062970A (en) Converter circuits employing negative resistance elements
US3733551A (en) Frequency stabilization apparatus and method
GB1392106A (en) Modulator circuits
GB1030102A (en) High frequency sampler
GB1427813A (en) Electronic switch
GB1187607A (en) Transistor Switching Circuit
US3586885A (en) Square wave generator
SU758063A1 (ru) Нуль-орган
SU597067A2 (ru) Триггер
GB806790A (en) Improvements in or relating to devices for amplitude modulating electric pulse trains