CA1081860A - Wiper contact for turret-type varactor controller - Google Patents

Wiper contact for turret-type varactor controller

Info

Publication number
CA1081860A
CA1081860A CA279,209A CA279209A CA1081860A CA 1081860 A CA1081860 A CA 1081860A CA 279209 A CA279209 A CA 279209A CA 1081860 A CA1081860 A CA 1081860A
Authority
CA
Canada
Prior art keywords
contact
screw
turret
strip
lead screw
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
CA279,209A
Other languages
English (en)
French (fr)
Inventor
Robert D. Whelan
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.)
Arris Technology Inc
Original Assignee
General Instrument 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 General Instrument Corp filed Critical General Instrument Corp
Application granted granted Critical
Publication of CA1081860A publication Critical patent/CA1081860A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/12—Arrangements of current collectors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/066—Constructional details regarding potentiometric setting of voltage or current variable reactances
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
    • H03J5/10—Settings determined by a number of positioning means mounted on a common support, e.g. turret tuner, which is adjustable to desired positions, a different positioning means being in operation in each position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19698—Spiral
    • Y10T74/19702—Screw and nut
    • Y10T74/19805—Less than 360 degrees of contact between nut and screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Contacts (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Adjustable Resistors (AREA)
  • Transmission Devices (AREA)
CA279,209A 1976-06-29 1977-05-26 Wiper contact for turret-type varactor controller Expired CA1081860A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US700,959 1976-06-29
US05/700,959 US4056795A (en) 1976-06-29 1976-06-29 Wiper contact for turret-type varactor controller

Publications (1)

Publication Number Publication Date
CA1081860A true CA1081860A (en) 1980-07-15

Family

ID=24815507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA279,209A Expired CA1081860A (en) 1976-06-29 1977-05-26 Wiper contact for turret-type varactor controller

Country Status (3)

Country Link
US (1) US4056795A (enExample)
JP (1) JPS533001A (enExample)
CA (1) CA1081860A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704249A (en) * 1995-12-14 1998-01-06 Joerns Healthcare, Inc. Screw drive mechanism for articulated beds and the like
USD1036400S1 (en) * 2020-11-06 2024-07-23 Hitachi Energy Ltd Reinforced external turret for electrical equipment
USD1032549S1 (en) * 2020-11-06 2024-06-25 Hitachi Energy Ltd Reinforced straight turret for electrical equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945199A (en) * 1957-10-24 1960-07-12 Clarostat Mfg Co Inc Potentiometer
US2958841A (en) * 1959-04-13 1960-11-01 Allen Bradley Co Variable resistor
DE1933976C3 (de) * 1969-07-04 1974-03-07 Saba Schwarzwaelder Apparate- Bauanstalt, August Schwer Soehne Gmbh, 7730 Villingen Abstimmvorrichtung für HF-Nachrichten-Übertragungsgeräte
US3679980A (en) * 1969-07-07 1972-07-25 Standard Kollsman Instr Corp Solid state television tuner with voltage variable capacitors
JPS5241562Y2 (enExample) * 1972-10-04 1977-09-20
CA1024618A (en) * 1973-12-27 1978-01-17 Matsuo Nishioka Variable resistor device

Also Published As

Publication number Publication date
US4056795A (en) 1977-11-01
JPS5759688B2 (enExample) 1982-12-16
JPS533001A (en) 1978-01-12

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Legal Events

Date Code Title Description
MKEX Expiry