EP0209074B1 - Fassungsanordnung für eine Bildröhre - Google Patents

Fassungsanordnung für eine Bildröhre Download PDF

Info

Publication number
EP0209074B1
EP0209074B1 EP86109376A EP86109376A EP0209074B1 EP 0209074 B1 EP0209074 B1 EP 0209074B1 EP 86109376 A EP86109376 A EP 86109376A EP 86109376 A EP86109376 A EP 86109376A EP 0209074 B1 EP0209074 B1 EP 0209074B1
Authority
EP
European Patent Office
Prior art keywords
socket
potentiometer
picture tube
potentiometers
voltage
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 - Lifetime
Application number
EP86109376A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0209074A1 (de
Inventor
Walter Dipl.-Ing. Goseberg
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.)
Deutsche Thomson OHG
Original Assignee
Telefunken Fernseh und Rundfunk GmbH
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 Telefunken Fernseh und Rundfunk GmbH filed Critical Telefunken Fernseh und Rundfunk GmbH
Priority to AT86109376T priority Critical patent/ATE57798T1/de
Publication of EP0209074A1 publication Critical patent/EP0209074A1/de
Application granted granted Critical
Publication of EP0209074B1 publication Critical patent/EP0209074B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/945—Holders with built-in electrical component

Definitions

  • the socket for the picture tube is soldered onto a printed circuit board.
  • This circuit board contains other components such as Potentiometer for adjusting the focus voltage for the picture tube or for the gray adjustment.
  • Potentiometers are connected to the connections of the picture tube socket via printed lines.
  • the focus voltage which is supplied to a grid of the picture tube via the tube holder, about 8 KV.
  • This relatively high voltage cannot easily be routed via a printed line on the printed circuit board, because flashovers and thus creepage distances would then occur due to the high voltage. Special measures must therefore be taken to apply the focus voltage, e.g. a separate insulated wire may be provided.
  • This wire must be soldered on the one hand to a connection of the potentiometer and on the other hand to the corresponding socket contact.
  • This solution therefore requires additional soldering points that cannot be produced during the dip soldering process of the circuit board.
  • solder joints in the area of high voltages are undesirable because the inevitable flux vapors can have a disadvantageous effect on the contact.
  • the creation of the soldered connection requires additional manual or mechanical measures.
  • the potentiometer for the focus voltage must be provided with a housing made of high-quality insulating material, which ensures adequate protection against contact for the high voltages.
  • a high-quality insulator is also required for the tube socket, which on the one hand has good thermal stability and on the other hand ensures sufficient insulation of the individual connections to one another.
  • the closest prior art is DE-A 30 35 124; from this an arrangement is known in which a tube holder for a cathode ray tube is soldered onto an insulating substrate plate. Film resistors are integrated on the substrate plate, which are connected to external connection elements and to the socket contacts of the cathode-ray tube via conductors likewise formed as a film. Thanks to a special geometric design of the film resistors, it is possible to use potentiometers e.g. to train a focus voltage.
  • the invention consists in that the picture tube holder and potentiometer are arranged as a unit in a common electrically insulating housing.
  • This rational solution offers itself since at least two connections of the focus regulator have to be connected to the picture tube holder, namely ground and grinder tap, from which the set focus voltage is taken. These connections can be made without soldering.
  • One way of making connections is to arrange molded parts made of metal in recesses in the insulating housing. It is also possible to connect the focus voltage to the picture tube connection via a pluggable conductive rubber part.
  • the potentiometer for setting a screen grid voltage for gray setting which is electrically in line with the focus controller, can be arranged in the insulating housing.
  • the figure shows a top view of a socket arrangement for a picture tube in a structural unit with focus regulator and screen grating potentiometer.
  • contacts 2 for the picture tube holder are arranged together with the potentiometers 4 and 7.
  • the potentiometers are shown as spindle potentiometers, the sliders of which can be adjusted with the adjusting knobs 6.
  • the connections between the potentiometers and the socket connections 2 are made by the lines 3, 5, which are embedded as molded parts in recesses in the housing 1.
  • the connection 5 for the connection of the focus voltage can also be designed as a conductive rubber part, since the currents and thus the voltage drop in this connection are extremely low.
  • the voltage supply for the potentiometers 4 and 7 takes place through the line 8, which supplies the required high voltage from the high-voltage transformer. This line can be inserted into a guide socket 9 of the insulating housing 1.
  • An insulating hood (not shown) enables the potentiometer and focus connection of the holder to be secured against unintentional contact.

Landscapes

  • Connecting Device With Holders (AREA)
  • Details Of Television Scanning (AREA)
  • Endoscopes (AREA)
  • Studio Devices (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP86109376A 1985-07-18 1986-07-09 Fassungsanordnung für eine Bildröhre Expired - Lifetime EP0209074B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86109376T ATE57798T1 (de) 1985-07-18 1986-07-09 Fassungsanordnung fuer eine bildroehre.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853525639 DE3525639A1 (de) 1985-07-18 1985-07-18 Fassung fuer eine bildroehre
DE3525639 1985-07-18

Publications (2)

Publication Number Publication Date
EP0209074A1 EP0209074A1 (de) 1987-01-21
EP0209074B1 true EP0209074B1 (de) 1990-10-24

Family

ID=6276080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109376A Expired - Lifetime EP0209074B1 (de) 1985-07-18 1986-07-09 Fassungsanordnung für eine Bildröhre

Country Status (6)

Country Link
US (1) US4748437A (show.php)
EP (1) EP0209074B1 (show.php)
JP (1) JPS6222382A (show.php)
KR (1) KR880001073A (show.php)
AT (1) ATE57798T1 (show.php)
DE (2) DE3525639A1 (show.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101241183B1 (ko) * 2011-03-08 2013-03-13 비아이피 주식회사 유체의 자체 순환을 이용한 발전 시스템
KR101238659B1 (ko) * 2011-03-08 2013-03-04 비아이피 주식회사 유체의 감압을 이용한 발전 시스템

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767951A (en) * 1972-04-18 1973-10-23 American Plasticraft Co Electron tube socket
US4199215A (en) * 1978-09-14 1980-04-22 Industrial Electronic Hardware Corp Tube socket with novel grounding means for high voltage terminals
JPS5545668U (show.php) * 1978-09-19 1980-03-25
GB2084434B (en) * 1980-09-16 1984-03-28 Murata Manufacturing Co A cathode-ray tube socket substrate
US4402037A (en) * 1980-09-17 1983-08-30 Murata Manufacturing Co., Ltd. Cathode-ray tube socket substrate
DE3035124C2 (de) * 1980-09-17 1983-02-03 Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto Röhrenfassung für eine Kathodenstrahlröhre
US4400645A (en) * 1981-07-06 1983-08-23 American Plasticraft Company CRT Socket assembly

Also Published As

Publication number Publication date
DE3525639A1 (de) 1987-01-29
US4748437A (en) 1988-05-31
KR880001073A (ko) 1988-03-31
DE3675089D1 (de) 1990-11-29
ATE57798T1 (de) 1990-11-15
JPH0418677B2 (show.php) 1992-03-27
JPS6222382A (ja) 1987-01-30
EP0209074A1 (de) 1987-01-21

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