NL166566B - PLACEMENT MECHANISM FOR READ AND WRITE HEADS. - Google Patents

PLACEMENT MECHANISM FOR READ AND WRITE HEADS.

Info

Publication number
NL166566B
NL166566B NL7202655.A NL166566DA NL166566B NL 166566 B NL166566 B NL 166566B NL 166566D A NL166566D A NL 166566DA NL 166566 B NL166566 B NL 166566B
Authority
NL
Netherlands
Prior art keywords
read
write heads
placement mechanism
placement
heads
Prior art date
Application number
NL7202655.A
Other languages
Dutch (nl)
Original Assignee
Ibm
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.)
Publication of NL166566B publication Critical patent/NL166566B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/02—Bends; Corners; Twists
    • H01P1/022—Bends; Corners; Twists in waveguides of polygonal cross-section
    • H01P1/025—Bends; Corners; Twists in waveguides of polygonal cross-section in the E-plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
NL7202655.A 1951-01-12 PLACEMENT MECHANISM FOR READ AND WRITE HEADS. NL166566B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB316039X 1951-01-12

Publications (1)

Publication Number Publication Date
NL166566B true NL166566B (en)

Family

ID=10325616

Family Applications (2)

Application Number Title Priority Date Filing Date
NL89640D NL89640C (en) 1951-01-12
NL7202655.A NL166566B (en) 1951-01-12 PLACEMENT MECHANISM FOR READ AND WRITE HEADS.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL89640D NL89640C (en) 1951-01-12

Country Status (6)

Country Link
BE (1) BE508374A (en)
CH (1) CH316039A (en)
DE (2) DE1014606B (en)
FR (1) FR65458E (en)
GB (1) GB684887A (en)
NL (2) NL166566B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101460A (en) * 1957-05-07 1963-08-20 Microwave Ass Hermetically sealed waveguide window with non-sputtering iris
DE2842577C2 (en) * 1978-09-29 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Rectangular waveguide angle piece nodulated over the broad side of the waveguide
DE2903665C2 (en) * 1979-01-31 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Rectangular waveguide angle piece bent over the broad side of the waveguide
US4760404A (en) * 1986-09-30 1988-07-26 The Boeing Company Device and method for separating short-wavelength and long-wavelength signals

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR961087A (en) * 1950-05-03
FR958781A (en) * 1950-03-17
US2407911A (en) * 1942-04-16 1946-09-17 Gen Electric Wave propagation
GB582088A (en) * 1942-08-14 1946-11-05 Edward Cecil Cork Improvements in or relating to electromagnetic wave guides
DE871324C (en) * 1943-02-07 1953-03-23 Julius Pintsch K G Arrangement to compensate for changes in impedance occurring at points of interference along ultra-high frequency transmission lines
BE456299A (en) * 1943-06-16
FR984968A (en) * 1943-10-20 1951-07-12 Csf Protection against bad weather from the inside of guides and cones used in the propagation of electromagnetic waves
US2411338A (en) * 1944-07-24 1946-11-19 Roberts Shepard Wave guide
FR950844A (en) * 1945-06-19 1949-10-07 Hazeltine Corp Impedance matching device
FR962827A (en) * 1946-09-18 1950-06-21
GB637109A (en) * 1947-04-17 1950-05-10 Charles Walter Miller Improvements relating to electromagnetic waveguides

Also Published As

Publication number Publication date
BE508374A (en)
NL89640C (en)
DE1034721B (en) 1958-07-24
GB684887A (en) 1952-12-24
FR65458E (en) 1956-02-21
CH316039A (en) 1956-09-15
DE1014606B (en) 1957-08-29

Similar Documents

Publication Publication Date Title
NL172702B (en) INFORMATION PROCESSING DEVICE.
CH312430A (en) Therapeutic device.
CH307824A (en) Electronic recording arrangement.
NL166566B (en) PLACEMENT MECHANISM FOR READ AND WRITE HEADS.
FR1050913A (en) Cases for phonograph records
FR1031344A (en) Gramophone record cabinet
FR1033863A (en) Record players
CH308382A (en) Recording device.
FR1080513A (en) phonographic record
NL179319B (en) MAGNETORESISTIVE READ HEAD.
NL172894B (en) MAGNETORESISTIVE WRITE-READ HEAD
CH292852A (en) Device for recording and reproducing sounds.
CH310547A (en) Magnetic recorder.
NL160139B (en) VIDEO TAPE RECORDING DEVICE.
CH320396A (en) Record player
CH289208A (en) Magnetic sound recording and reproducing device.
CH304434A (en) Record player.
DK79211C (en) Recording device.
FR1054823A (en) Recording device
FR1040010A (en) Advanced phonographic record
ES28135Y (en) Equipment-case for audition and recording
NL160954B (en) PHOTO-GUIDED RECORDING MATERIAL.
FR1071284A (en) Recording device
BE514243A (en) ACCOUNTING RECORDING DEVICE.
CH299762A (en) Voice recorder.