DE960825C - Two diode circuit for obtaining a negative-going video mixture and the black control in television equipment for negative modulation - Google Patents

Two diode circuit for obtaining a negative-going video mixture and the black control in television equipment for negative modulation

Info

Publication number
DE960825C
DE960825C DE1952K0013689 DEK0013689A DE960825C DE 960825 C DE960825 C DE 960825C DE 1952K0013689 DE1952K0013689 DE 1952K0013689 DE K0013689 A DEK0013689 A DE K0013689A DE 960825 C DE960825 C DE 960825C
Authority
DE
Grant status
Grant
Patent type
Prior art keywords
negative
obtaining
mixture
television equipment
diode circuit
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
DE1952K0013689
Other languages
German (de)
Inventor
Dr Rer Nat Hans-Werner Paehr
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.)
Interessengemeinschaft fur Rundfunkschutzrechte (igr) GmbH
RUNDFUNKSCHUTZRECHTE EV
Original Assignee
Interessengemeinschaft fur Rundfunkschutzrechte (igr) GmbH
RUNDFUNKSCHUTZRECHTE EV
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/52Automatic gain control
    • H04N5/53Keyed automatic gain control
DE1952K0013689 1952-03-29 1952-03-29 Two diode circuit for obtaining a negative-going video mixture and the black control in television equipment for negative modulation Expired DE960825C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1952K0013689 DE960825C (en) 1952-03-29 1952-03-29 Two diode circuit for obtaining a negative-going video mixture and the black control in television equipment for negative modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1952K0013689 DE960825C (en) 1952-03-29 1952-03-29 Two diode circuit for obtaining a negative-going video mixture and the black control in television equipment for negative modulation

Publications (1)

Publication Number Publication Date
DE960825C true DE960825C (en) 1957-03-28

Family

ID=7214126

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1952K0013689 Expired DE960825C (en) 1952-03-29 1952-03-29 Two diode circuit for obtaining a negative-going video mixture and the black control in television equipment for negative modulation

Country Status (1)

Country Link
DE (1) DE960825C (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529428A (en) * 1947-03-01 1950-11-07 Philco Corp Automatic gain control system
FR976427A (en) * 1947-12-13 1951-03-19 Hazeltine Corp Device for stabilization of television signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529428A (en) * 1947-03-01 1950-11-07 Philco Corp Automatic gain control system
FR976427A (en) * 1947-12-13 1951-03-19 Hazeltine Corp Device for stabilization of television signals

Similar Documents

Publication Publication Date Title
JPS5293229A (en) Reproducing device for multiple information
DE1057985B (en) Spraying equipment to be mixed with each other liquids
JPS5232627A (en) Picture input equipment
DE905234C (en) Glove with self-protection device
DE1134703B (en) Circuit for obtaining the raster coverage in color television cameras or reproducing systems with multiple Kathodenstrahlroehren
DE963746C (en) for single film camera and continuous shooting
DE1136368B (en) An arrangement for reproducing color television images with a Indexkathodenstrahlroehre
DE1082122B (en) Recirculation and mixing pump for diving operations
DE1211248B (en) Picture tube for Farbfernsehempfaenger and arrangement for reproducing a color image using this tube
DE951192C (en) An apparatus for focusing in TV cameras
FR85968E (en) Improvement in color television receivers on projection screen
DE1231318B (en) Arrangement for converting polar coordinates-shaped radar signals in a television image brightness constant
DE1199315B (en) Circuit arrangement for modulation of the video signal of a television camera
FR1064435A (en) Improvement in movie projectors and other
CA476632A (en) Lever battery clamps
DE1856155U (en) A device for suppression of the dead range in rotatable by abstimmorganen of radio and television equipment.
CA471169A (en) Carbon monoxide copolymers
DE1060916B (en) Switching equipment for portable telephone sets with OB-operation
DE931398C (en) Used for cans with plug lid
GB700061A (en) Improvements in and relating to fastening devices
DE928978C (en) Device for the projection of superimposed images of a Werkstueckes and a comparative drawing
CA478522A (en) Pulsation elimination in liquid streams
CA488368A (en) Carburetor
DE1033928B (en) Projectors with semi-automatic screen changing device
DE809721C (en) Transport and locking device for automatic slide viewer and projectors