DE9013686U1 - - Google Patents

Info

Publication number
DE9013686U1
DE9013686U1 DE9013686U DE9013686U DE9013686U1 DE 9013686 U1 DE9013686 U1 DE 9013686U1 DE 9013686 U DE9013686 U DE 9013686U DE 9013686 U DE9013686 U DE 9013686U DE 9013686 U1 DE9013686 U1 DE 9013686U1
Authority
DE
Germany
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
DE9013686U
Other languages
German (de)
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.)
W Steenbeck & Co (gmbh & Co) 2000 Hamburg De
Original Assignee
W Steenbeck & Co (gmbh & Co) 2000 Hamburg De
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 W Steenbeck & Co (gmbh & Co) 2000 Hamburg De filed Critical W Steenbeck & Co (gmbh & Co) 2000 Hamburg De
Priority to DE9013686U priority Critical patent/DE9013686U1/de
Publication of DE9013686U1 publication Critical patent/DE9013686U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024—Erasing
DE9013686U 1990-10-01 1990-10-01 Expired - Lifetime DE9013686U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9013686U DE9013686U1 (en) 1990-10-01 1990-10-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9013686U DE9013686U1 (en) 1990-10-01 1990-10-01

Publications (1)

Publication Number Publication Date
DE9013686U1 true DE9013686U1 (en) 1990-12-06

Family

ID=6857965

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9013686U Expired - Lifetime DE9013686U1 (en) 1990-10-01 1990-10-01

Country Status (1)

Country Link
DE (1) DE9013686U1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1474449A1 (en) * 1964-04-10 1969-07-24 Rank Bush Murphy Ltd Circuit arrangement for magnetic heads
US4134140A (en) * 1976-10-01 1979-01-09 Eastman Technology, Inc. Voltage mode amplifier for use with a high Q magnetic head
DE2814467A1 (en) * 1978-03-24 1979-10-18 Stanley Electric Co Ltd ULTRASONIC OSCILLATOR SYSTEM
US4210942A (en) * 1977-03-11 1980-07-01 Hitachi, Ltd. Video signal play-back circuit
DE3120196C2 (en) * 1981-05-21 1985-02-14 Leybold-Heraeus GmbH, 5000 Köln High frequency generator for the supply of a mass spectrometer
DE3512957A1 (en) * 1985-04-11 1986-10-16 Erbe Elektromedizin GmbH, 7400 Tübingen Decimetric wave therapy device
FR2582170A1 (en) * 1985-05-15 1986-11-21 Cit Alcatel Auto-adaptive two-terminal network
DE4015087A1 (en) * 1989-05-30 1990-12-06 Stanley Electric Co Ltd OSCILLATION CONTROL UNIT FOR AN ULTRASONIC SILLER

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1474449A1 (en) * 1964-04-10 1969-07-24 Rank Bush Murphy Ltd Circuit arrangement for magnetic heads
US4134140A (en) * 1976-10-01 1979-01-09 Eastman Technology, Inc. Voltage mode amplifier for use with a high Q magnetic head
US4210942A (en) * 1977-03-11 1980-07-01 Hitachi, Ltd. Video signal play-back circuit
DE2814467A1 (en) * 1978-03-24 1979-10-18 Stanley Electric Co Ltd ULTRASONIC OSCILLATOR SYSTEM
DE3120196C2 (en) * 1981-05-21 1985-02-14 Leybold-Heraeus GmbH, 5000 Köln High frequency generator for the supply of a mass spectrometer
DE3512957A1 (en) * 1985-04-11 1986-10-16 Erbe Elektromedizin GmbH, 7400 Tübingen Decimetric wave therapy device
FR2582170A1 (en) * 1985-05-15 1986-11-21 Cit Alcatel Auto-adaptive two-terminal network
DE4015087A1 (en) * 1989-05-30 1990-12-06 Stanley Electric Co Ltd OSCILLATION CONTROL UNIT FOR AN ULTRASONIC SILLER

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HOWLETT, L.C.: Wide Frequency Range Sine Wave VCO with a Tunable Inductor and Capaci- tor. In: IEEE Transaction on Instrumentation and Measurement, Vol.38, No.4, August 1989, S.876-881 *
JENSEN, M.D *

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