NL149934B - MAGNETIC RECORDING AND / OR DISPLAY DEVICE OF THE CASSETTE TYPE WITH AN UP AND DOWN MOVABLE CASSETTE HOLDER. - Google Patents

MAGNETIC RECORDING AND / OR DISPLAY DEVICE OF THE CASSETTE TYPE WITH AN UP AND DOWN MOVABLE CASSETTE HOLDER.

Info

Publication number
NL149934B
NL149934B NL676714684A NL149934DA NL149934B NL 149934 B NL149934 B NL 149934B NL 676714684 A NL676714684 A NL 676714684A NL 149934D A NL149934D A NL 149934DA NL 149934 B NL149934 B NL 149934B
Authority
NL
Netherlands
Prior art keywords
display device
magnetic recording
cassette
down movable
cassette holder
Prior art date
Application number
NL676714684A
Other languages
Dutch (nl)
Original Assignee
Philips Nv
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 NL149934B publication Critical patent/NL149934B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
    • H03K3/05—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback
    • H03K3/06—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/12—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/82—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using gas-filled tubes
NL676714684A 1948-11-17 MAGNETIC RECORDING AND / OR DISPLAY DEVICE OF THE CASSETTE TYPE WITH AN UP AND DOWN MOVABLE CASSETTE HOLDER. NL149934B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60537A US2540025A (en) 1948-11-17 1948-11-17 Neutralized trigger circuit

Publications (1)

Publication Number Publication Date
NL149934B true NL149934B (en)

Family

ID=22030119

Family Applications (1)

Application Number Title Priority Date Filing Date
NL676714684A NL149934B (en) 1948-11-17 MAGNETIC RECORDING AND / OR DISPLAY DEVICE OF THE CASSETTE TYPE WITH AN UP AND DOWN MOVABLE CASSETTE HOLDER.

Country Status (5)

Country Link
US (1) US2540025A (en)
DE (1) DE904326C (en)
FR (1) FR999582A (en)
GB (1) GB663455A (en)
NL (1) NL149934B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913578A (en) * 1954-03-17 1959-11-17 Bell Telephone Labor Inc Multivibrator circuits
US3140434A (en) * 1959-08-11 1964-07-07 Ass Elect Ind Bistable multivibrator controlled oscillating d.-c. motor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416513A (en) * 1942-11-25 1947-02-25 Philco Corp Multivibrator
US2404047A (en) * 1943-01-21 1946-07-16 Rca Corp Electronic computing device

Also Published As

Publication number Publication date
US2540025A (en) 1951-01-30
FR999582A (en) 1952-02-01
DE904326C (en) 1954-02-18
GB663455A (en) 1951-12-19

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