DE1232195B - Anordnung zur Amplitudenmodulation einer unipolaren Rechtecktraegerwelle - Google Patents

Anordnung zur Amplitudenmodulation einer unipolaren Rechtecktraegerwelle

Info

Publication number
DE1232195B
DE1232195B DEJ25002A DEJ0025002A DE1232195B DE 1232195 B DE1232195 B DE 1232195B DE J25002 A DEJ25002 A DE J25002A DE J0025002 A DEJ0025002 A DE J0025002A DE 1232195 B DE1232195 B DE 1232195B
Authority
DE
Germany
Prior art keywords
signal
modulation
transistor
wave
amplitude
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.)
Pending
Application number
DEJ25002A
Other languages
German (de)
English (en)
Inventor
Nelson Earl Hoag
Jerry Lee Holsinger
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE1232195B publication Critical patent/DE1232195B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DEJ25002A 1962-12-26 1963-12-21 Anordnung zur Amplitudenmodulation einer unipolaren Rechtecktraegerwelle Pending DE1232195B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US247186A US3324416A (en) 1962-12-26 1962-12-26 Amplitude modulation system

Publications (1)

Publication Number Publication Date
DE1232195B true DE1232195B (de) 1967-01-12

Family

ID=22933933

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ25002A Pending DE1232195B (de) 1962-12-26 1963-12-21 Anordnung zur Amplitudenmodulation einer unipolaren Rechtecktraegerwelle

Country Status (7)

Country Link
US (1) US3324416A (Direct)
AT (1) AT242764B (Direct)
BE (1) BE641809A (Direct)
CH (1) CH418410A (Direct)
DE (1) DE1232195B (Direct)
GB (1) GB1009330A (Direct)
NL (1) NL302291A (Direct)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384840A (en) * 1965-07-14 1968-05-21 Teldata Corp Balanced modulator having suppression means
US3633005A (en) * 1970-02-26 1972-01-04 Ibm A four quadrant multiplier using a single amplifier in a balanced modulator circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004231B (de) * 1953-01-13 1957-03-14 Telefunken Gmbh Schaltungsanordnung zur impulstraegerlosen Modulation von Impulsen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992326A (en) * 1959-08-10 1961-07-11 Leonard R Kahn Frquency translating circuitry
US3122715A (en) * 1960-10-14 1964-02-25 Electro Mechanical Res Inc Frequency converter systems
US3229230A (en) * 1962-10-19 1966-01-11 Motorola Inc Suppressed carrier modulator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004231B (de) * 1953-01-13 1957-03-14 Telefunken Gmbh Schaltungsanordnung zur impulstraegerlosen Modulation von Impulsen

Also Published As

Publication number Publication date
AT242764B (de) 1965-10-11
GB1009330A (en) 1965-11-10
US3324416A (en) 1967-06-06
CH418410A (de) 1966-08-15
BE641809A (Direct) 1964-06-29
NL302291A (Direct)

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