Kowa Company Limited

Tomohisa Azegami

Tatsuya Kimbara

Tomoya Fukuda

Kenichi Namiki

Masatomo Ohmaki

Ohmaki Masatomo

Multiplexer according to the present invention includes: an input unit to which a plurality of image signals based on a first data communication standard are input, the image signals being acquired by respective imaging devices; an output unit that outputs an image signal based on a second data communication standard having a data transfer rate lower than that of the first data communication standard; and a storage unit that temporarily buffers the image signals input from the input unit. With such a multiplexer, it is possible to collectively convert the image data acquired by a plurality of imaging devices adopting a certain data communication standard into another data communication standard and suppress the data transfer delay caused by the conversion.

Multiplexer and imaging system

A first communication unitrepeatedly transmits the same data signal as a transmitted data signal to a second communication unitat shorter time intervals than an acknowledgement time in which an ACK signal is returned from the second communication unitwithout any failure. As a result, even when the transmitted data signal is garbled in the middle of a transmission path due to noise, the second communication unitcan rapidly receive the repeatedly transmitted same data signal.

Communication system for packet data communication, control system for packet data communication and communication device for packet data communication

[Problem] To enable imaging to be performed with appropriate timing. [Solution] In a camera manipulation deviceaccording to the present invention, a trigger signal Tis issued and imaging is begun when a prescribed command is transmitted from a control circuit side to an imaging unit side (see S). Because the issuance of such trigger signal Tis not accepted before a character reception start command is issued, it is possible to perform imaging with appropriate timing.

Camera manipulation device

[Problem] To make a device compact and inexpensive by omitting a frame buffer. [Solution] First packet data PDthat is sequentially received from a first camera Cand second packet data PDthat is sequentially received from a second camera Care alternately and sequentially transmitted to an external devicebefore data for one screen is accumulated. Therefore, a frame buffer for saving the data for one screen is not necessary, and a device can be made correspondingly more compact and less expensive.

Multiplexer and image capturing device provided with said multiplexer

[Problem] To prevent either of two packet data having the same content from being affected by noise [Solution] A packet data transmission device (not shown) transmits first packet dataA, . . . and second packet dataB, . . . having the same content intermittently with an idle time I therebetween. When the length of the first and second packet dataA, . . . ,B, . . . is denoted by L, the length of the idle time I is denoted by L, the duration of low-frequency noise N is denoted by L, the time with no low-frequency noise from the occurrence of one low-frequency noise N to the occurrence of the next low-frequency noise N is denoted by L, the following expressions (1), (2) are satisfied. Consequently, either the first packet data or the second packet data is transmitted to a receiver without being affected by noise.&#x2003;&#x2003;(1)2&#xd7;&#x2003;&#x2003;(2)

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Saitama, Japan

Tomohisa Azegami