NL189218B - PHOTOGRAPHIC FILM UNIT FOR DIFFUSION TRANSFER. - Google Patents

PHOTOGRAPHIC FILM UNIT FOR DIFFUSION TRANSFER.

Info

Publication number
NL189218B
NL189218B NLAANVRAGE8001486,A NL189218DA NL189218B NL 189218 B NL189218 B NL 189218B NL 189218D A NL189218D A NL 189218DA NL 189218 B NL189218 B NL 189218B
Authority
NL
Netherlands
Prior art keywords
photographic film
film unit
diffusion transfer
diffusion
transfer
Prior art date
Application number
NLAANVRAGE8001486,A
Other languages
Dutch (nl)
Original Assignee
Polaroid 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.)
Publication of NL189218B publication Critical patent/NL189218B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H03K4/28—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device
NLAANVRAGE8001486,A 1953-07-17 PHOTOGRAPHIC FILM UNIT FOR DIFFUSION TRANSFER. NL189218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1982753A GB748460A (en) 1953-07-17 1953-07-17 Improvements in or relating to circuit arrangements for generating sawtooth currents

Publications (1)

Publication Number Publication Date
NL189218B true NL189218B (en)

Family

ID=10135898

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8001486,A NL189218B (en) 1953-07-17 PHOTOGRAPHIC FILM UNIT FOR DIFFUSION TRANSFER.

Country Status (4)

Country Link
DE (1) DE1010665B (en)
FR (1) FR1109814A (en)
GB (1) GB748460A (en)
NL (1) NL189218B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21400E (en) * 1932-04-04 1940-03-19 blumlein
DE889309C (en) * 1935-02-06 1953-09-10 Telefunken Gmbh Circuit arrangement for generating a sawtooth-shaped current curve for the magnetic deflection of cathode rays, in particular for television purposes
GB482370A (en) * 1936-08-27 1938-03-28 Eric Lawrence Casling White Improvements in or relating to oscillatory electric circuits
GB518378A (en) * 1938-08-23 1940-02-26 Eric Lawrence Casling White Improvements in or relating to thermionic valve circuits
DE747344C (en) * 1939-05-27 1944-09-27 Telefunken Gmbh Circuit arrangement for generating saw-tooth-shaped current curves in a choke coil
FR901784A (en) * 1943-02-09 1945-08-06 Fernseh Gmbh Transformer relaxation assembly
NL86383C (en) * 1948-11-24
NL88072C (en) * 1950-08-04
DE895175C (en) * 1951-11-10 1953-11-02 Telefunken Gmbh Circuit arrangement for generating saegezahnfoermiger currents

Also Published As

Publication number Publication date
DE1010665B (en) 1957-06-19
FR1109814A (en) 1956-02-02
GB748460A (en) 1956-05-02

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