GB1160465A – Stabilization of Cathode-Ray Tube Deflection Circuits.
– Google Patents
GB1160465A – Stabilization of Cathode-Ray Tube Deflection Circuits.
– Google Patents
Stabilization of Cathode-Ray Tube Deflection Circuits.
Info
Publication number
GB1160465A
GB1160465A
GB16905/67A
GB1690567A
GB1160465A
GB 1160465 A
GB1160465 A
GB 1160465A
GB 16905/67 A
GB16905/67 A
GB 16905/67A
GB 1690567 A
GB1690567 A
GB 1690567A
GB 1160465 A
GB1160465 A
GB 1160465A
Authority
GB
United Kingdom
Prior art keywords
voltage
capacitor
tube
dependent
april
Prior art date
1966-04-25
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
GB16905/67A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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.)
1966-04-25
Filing date
1967-04-12
Publication date
1969-08-06
1967-04-12
Application filed by RCA Corp, Radio Corporation of America
filed
Critical
RCA Corp
1969-08-06
Publication of GB1160465A
publication
Critical
patent/GB1160465A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
H04N3/185—Maintaining dc voltage constant
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K4/00—Generating pulses having essentially a finite slope or stepped portions
H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K4/00—Generating pulses having essentially a finite slope or stepped portions
H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
H03K4/28—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device
H03K4/32—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
H04N3/223—Controlling dimensions
Abstract
1,160,465. E.H.T. generators. RADIO CORPORATION OF AMERICA. 12 April, 1967 [25 April, 1966], No. 16905/67. Heading H2F. [Also in Divisions G3 and H3] The deflection circuits 12, 13 of a television receiver are stabilized against supply voltage variations by automatically varying the gains of the respective output tubes 16, 19 in accordance with the variations of the respective retrace pulse amplitudes, the vertical deflection circuit additionally being provided with a stabilized voltage derived from a divider network including a temperature-dependent and a voltage-dependent resistor. In the horizontal deflection circuit 12 a pulse amplitude signal is fed from output transformer 23 through a capacitor 30 to a voltage dependent resistor 29 which acts as a variable efficiency rectifier and, in conjunction with capacitor 30, develops a negative bias voltage across a capacitor 35 which is dependent upon the average amplitude of the retrace pulse. This variable bias is applied to a control grid of the tube 16 through members 31, 32, 33, 22 to automatically vary the gain and so stabilize the image width. The arrangement also stabilizes the rectified high voltage applied to the tube 10 via members 23, 24 by virtue of the aforementioned control of the tube 16.
GB16905/67A
1966-04-25
1967-04-12
Stabilization of Cathode-Ray Tube Deflection Circuits.
Expired
GB1160465A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US54490666A
1966-04-25
1966-04-25
Publications (1)
Publication Number
Publication Date
GB1160465A
true
GB1160465A
(en)
1969-08-06
Family
ID=24174077
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB16905/67A
Expired
GB1160465A
(en)
1966-04-25
1967-04-12
Stabilization of Cathode-Ray Tube Deflection Circuits.
Country Status (9)
Country
Link
US
(1)
US3434000A
(en)
JP
(1)
JPS5110050B1
(en)
AT
(1)
AT278925B
(en)
BE
(1)
BE697483A
(en)
DE
(1)
DE1512413B2
(en)
ES
(1)
ES339643A1
(en)
GB
(1)
GB1160465A
(en)
NL
(1)
NL6705739A
(en)
SE
(1)
SE349216B
(en)
Family Cites Families (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3007079A
(en)
*
1958-01-20
1961-10-31
Sylvania Electric Prod
Deflection circuitry
DE1562292B1
(en)
*
1961-07-13
1970-05-14
Philips Patentverwaltung
Saw tooth circuit arrangement with control
1966
1966-04-25
US
US544906A
patent/US3434000A/en
not_active
Expired – Lifetime
1967
1967-04-12
GB
GB16905/67A
patent/GB1160465A/en
not_active
Expired
1967-04-13
AT
AT350167A
patent/AT278925B/en
not_active
IP Right Cessation
1967-04-22
ES
ES339643A
patent/ES339643A1/en
not_active
Expired
1967-04-24
NL
NL6705739A
patent/NL6705739A/xx
unknown
1967-04-24
BE
BE697483D
patent/BE697483A/xx
unknown
1967-04-24
JP
JP42026242A
patent/JPS5110050B1/ja
active
Pending
1967-04-24
SE
SE05746/67A
patent/SE349216B/xx
unknown
1967-04-25
DE
DE19671512413
patent/DE1512413B2/en
not_active
Withdrawn
Also Published As
Publication number
Publication date
US3434000A
(en)
1969-03-18
DE1512413B2
(en)
1970-09-10
NL6705739A
(en)
1967-10-26
ES339643A1
(en)
1968-05-01
JPS5110050B1
(en)
1976-04-01
AT278925B
(en)
1970-02-25
DE1512413A1
(en)
1969-10-02
SE349216B
(en)
1972-09-18
BE697483A
(en)
1967-10-02
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Legal Events
Date
Code
Title
Description
1969-12-17
PS
Patent sealed [section 19, patents act 1949]
1980-11-26
PCNP
Patent ceased through non-payment of renewal fee
