Title: Response analyzing device

Abstract: A response analyzing device comprises a discriminating device and a plurality of answering devices connected in parallel to a plurality of lines extending from the discriminating device. Each of the answering devices are provided with resonance circuits having mutually different resonance frequencies and a selective switch for connecting the resonance circuits with these lines. The discriminating device is provided with a sweep oscillator for impressing outputs to these lines and has a variable range which permits the sweeping of the entire range of the resonance frequencies and circuitry for detecting the variation in impedance due to the resonance phenomenon created in the resonance circuit.

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Inventors: Abe, Kiyomi (Noda, JA)
Tagata, Genichi (Hamamatsu, JA)

Application Number: 415833
Filing Date: 1973-11-14
Publication_date: 1977-07-19
Assignee: Pentel Kabushiki Kaisha (JA)
Primary Class(es): 434/350
Other Classes:
US Patent Ref:

3126513	Mar, 1964	Kamen	325/31.
3190014	Jun, 1965	Rhodes	35/48.
3300876	Jan, 1967	Johannsen	35/48.
3378937	Apr, 1968	Warren	35/9.
3416243	Dec, 1968	Greenberg et al.	35/48.
3503296	Mar, 1970	Schmoyer et al.	35/6.
3631612	Jan, 1972	Westerberg	35/48.
3647926	Mar, 1972	Rohloff et al.	35/48.
3676939	Jul, 1972	Oberst et al.	35/48.

Other Refs:
Primary Examiner: Pinkham, Richard C.
Assistant Examiner: Hum, Vance Y.
Attorney: Burns; Robert E., Lobato; Emmanuel J., Adams; Bruce L.