CA1135772A - Camera tube having diode electron gun and method of manufacturing same - Google Patents

Camera tube having diode electron gun and method of manufacturing same

Info

Publication number
CA1135772A
CA1135772A CA000331718A CA331718A CA1135772A CA 1135772 A CA1135772 A CA 1135772A CA 000331718 A CA000331718 A CA 000331718A CA 331718 A CA331718 A CA 331718A CA 1135772 A CA1135772 A CA 1135772A
Authority
CA
Canada
Prior art keywords
cathode
anode
supporting bush
bush
axis
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
CA000331718A
Other languages
English (en)
French (fr)
Inventor
Johannes H.T. Van Roosmalen
Franciscus C.M. De Haas
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.)
Koninklijke Philips NV
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1135772A publication Critical patent/CA1135772A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
    • H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
    • H01J31/38—Tubes with photoconductive screen, e.g. vidicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/487—Replacing parts of the gun; Relative adjustment of the electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
CA000331718A 1978-07-20 1979-07-12 Camera tube having diode electron gun and method of manufacturing same Expired CA1135772A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7807757 1978-07-20
NL7807757A NL7807757A (nl) 1978-07-20 1978-07-20 Opneembuis en werkwijze voor de vervaardiging daarvan.

Publications (1)

Publication Number Publication Date
CA1135772A true CA1135772A (en) 1982-11-16

Family

ID=19831279

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000331718A Expired CA1135772A (en) 1978-07-20 1979-07-12 Camera tube having diode electron gun and method of manufacturing same

Country Status (11)

Country Link
US (2) US4309638A (en, 2012)
JP (2) JPS5517994A (en, 2012)
BE (1) BE877769A (en, 2012)
CA (1) CA1135772A (en, 2012)
DD (1) DD144985A5 (en, 2012)
DE (1) DE2927371A1 (en, 2012)
ES (1) ES482580A1 (en, 2012)
FR (1) FR2431765A1 (en, 2012)
GB (1) GB2027268B (en, 2012)
IT (1) IT1122601B (en, 2012)
NL (1) NL7807757A (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005230A (nl) * 1980-09-19 1982-04-16 Philips Nv Kathodestraalbuis.
JPH0145070Y2 (en, 2012) * 1981-05-19 1989-12-26
NL8200253A (nl) * 1982-01-25 1983-08-16 Philips Nv Televisiekamerabuis.
JPH0537095U (ja) * 1991-10-25 1993-05-21 株式会社ササキコーポレーシヨン ニンニク等の根切機
US6171165B1 (en) * 1998-11-19 2001-01-09 Etec Systems, Inc. Precision alignment of microcolumn tip to a micron-size extractor aperture
US6465948B1 (en) 1999-09-24 2002-10-15 General Electric Company Cathode ray tube funnel envelope materials and construction
JP6636472B2 (ja) 2017-02-28 2020-01-29 株式会社日立ハイテクノロジーズ 電子源およびそれを用いた電子線装置
KR102120946B1 (ko) * 2018-11-16 2020-06-10 (주)엠크래프츠 전자빔 자동정렬구조가 구비된 전자현미경

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2146365A (en) * 1934-12-13 1939-02-07 John C Batchelor Electron emitter
DE889479C (de) * 1939-03-07 1953-09-10 Siemens Ag Verfahren zum Befestigen eines Koerpers im Innern eines Glasgefaesses
FR50983E (fr) * 1939-07-12 1941-05-19 Thomson Houston Comp Francaise Perfectionnements aux tubes à décharge
US2411184A (en) * 1942-07-02 1946-11-19 Gen Electric Fabrication of discharge devices
US2945295A (en) * 1957-12-20 1960-07-19 Westinghouse Electric Corp High temperature metallic joint
NL134600C (en, 2012) * 1960-11-14
US3500520A (en) * 1968-01-02 1970-03-17 Hughes Aircraft Co Method of obtaining aperture alignment in an electron gun construction
US3928784A (en) * 1971-07-02 1975-12-23 Philips Corp Television camera tube with control diaphragm
US3894261A (en) * 1973-07-09 1975-07-08 Hughes Aircraft Co No-crossover electron gun
US3885191A (en) * 1974-03-06 1975-05-20 Gte Sylvania Inc Cathode-grid assembly for a cathode ray tube
US3984261A (en) * 1974-06-10 1976-10-05 Rca Corporation Ohmic contact
US4112327A (en) * 1976-10-18 1978-09-05 Hughes Aircraft Company Cathode structure and method

Also Published As

Publication number Publication date
JPS5517994A (en) 1980-02-07
GB2027268A (en) 1980-02-13
IT1122601B (it) 1986-04-23
NL7807757A (nl) 1980-01-22
DD144985A5 (de) 1980-11-12
US4432738A (en) 1984-02-21
GB2027268B (en) 1982-09-22
IT7924425A0 (it) 1979-07-17
US4309638A (en) 1982-01-05
BE877769A (fr) 1980-01-18
JPS641893B2 (en, 2012) 1989-01-13
DE2927371C2 (en, 2012) 1987-07-02
FR2431765B1 (en, 2012) 1982-01-15
DE2927371A1 (de) 1980-03-06
FR2431765A1 (fr) 1980-02-15
JPS63276848A (ja) 1988-11-15
JPH0146979B2 (en, 2012) 1989-10-12
ES482580A1 (es) 1980-02-16

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Legal Events

Date Code Title Description
MKEX Expiry