11
Jun Takahashi, Masaaki Toyoda, Akira Yasuda, Hideo Ochi: Laser beam absorbing resin composition, coloring material therefor and laser bean marking method. Somar Corporation, Lorusso & Loud, November 26, 1996: US05578120 (20 worldwide citation)

A laser beam absorbing resin composition is disclosed which includes 100 parts by weight of a resin, and 1-100 parts by weight of composite particles having an average particle diameter of 0.1-50 .mu.m and each including a particulate, laser beam absorbing inorganic substance, and a colorant physica ...


12
Jun ichi Okamura, Akira Yasuda: Digital speaker driving apparatus. Trigence Semiconductor, November 6, 2012: US08306244 (16 worldwide citation)

A digital sound system suitable for a digital speaker device for directly converting analog sound by a circuit using a ΔΣ modulator and a mismatch shaping filter circuit to output a plurality of digital signals and a plurality of speakers driven by the plurality of digital signals. A digital speaker ...


13
Akira Yasuda, Kazuhisa Akiyama, Toshinari Nakao, Hiroyoshi Yuasa: Individuality discriminating system. Matsushita Electric Works, Burns Doane Swecker & Mathis, October 27, 1987: US04703347 (16 worldwide citation)

An individuality discriminating system wherein analog signals of a human individual picture are converted to digital signals according to brightness of the picture, and such digital signals are stored as individual picture data in an integrated-circuit (IC) card as compressed, with picture elements ...


14
Akira Yasuda: Equipment for generating a transmit signal from first and second digital signals. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, December 31, 1996: US05590155 (15 worldwide citation)

A transmitting equipment includes a holding circuit for dividing a time-series digital signal into I and Q digital signals, holding the I and Q digital signals, and outputting them in parallel, a waveform forming circuit, having a memory for storing a plurality of oversampling codes corresponding to ...


15
Akira Yasuda: Selection apparatus. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, February 16, 1999: US05872532 (15 worldwide citation)

A selection device including an integrator that integrates data representing a state in which each of current cells having relative error between them is used during a predetermined period. Also included is a selector that, on the basis of the integration result of the integrator, selects a control ...


16
Tomohisa Kimura, Akira Yasuda: Analog/digital converter apparatus. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, August 28, 2001: US06281828 (14 worldwide citation)

An analog/digital converter apparatus includes a reference signal generator circuit for generating a reference signal, a comparator section for determining a relationship in level between an input analog signal and the reference signal, and an encoder for converting a comparison result of the compar ...


17
Nobuyasu Tanaka, Hiroshi Tominaga, Minoru Fujita, Hajime Tanaka, Takahisa Hattori, Akira Yasuda, Shigeya Kato: Goods discharge mechanism and goods storage and discharge system of automatic vending machine. Fuji Electric Company, Brumbaugh Graves Donohue & Raymond, January 3, 1984: US04423828 (13 worldwide citation)

An arrangement is disclosed for reducing the overall effective size of the goods storage and discharging system in an automatic vending machine. The solenoid and transmission mechanism of each goods discharging mechanism are so disposed that the discharging mechanisms of adjacent goods storage shelv ...


18
Akira Yasuda: Current amplifier and current mode analog/digital converter using the same. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, October 5, 1999: US05963158 (12 worldwide citation)

In a current amplifier, a current obtained by holding an input current from an input terminal by a first current sample/hold circuit is added through a connection to a current obtained by inverting the input current by a current inverter to generate a current twice the input current. This current is ...


19
Akira Yasuda, Junichi Okamura: Digital/analogue conversion apparatus. Trigence Semiconductor, April 16, 2013: US08423165 (11 worldwide citation)

A digital/analog conversion apparatus for converting a digital signal into an analog signal. The digital/analog conversion apparatus can generate a high-quality analog signal, even when elements configuring the digital/analog conversion apparatus have variance, with high resolution and a small circu ...


20
Akira Yasuda: Sampling frequency conversion apparatus. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt, March 2, 1993: US05191334 (11 worldwide citation)

A sampling frequency conversion apparatus having N (where N is an integer, which is two or more) sampling conversion means serially connected, each of the N sampling frequency conversion means comprising a first digital filter for outputting a signal with longer bit length than that of an input sign ...