Abstract: A communication system includes a first terminal and a second terminal including an stow part for stowing the first terminal. The first terminal includes a first light emitter that emits infrared light, a first light receiver that receives infrared light, and a first controller. The first controller causes the first light emitter to emit light based on first specifying information upon receiving a pairing request signal via the first light receiver. The second terminal includes a second stow sensor that detects stow of the first terminal, a second light emitter that emits infrared light, a second light receiver that receives infrared light, and a second controller. The second controller causes the second light emitter to emit light based on a pairing request signal in accordance with detection of stow of the first terminal by the second stow sensor and performs control corresponding to the information including the first specifying information.

Abstract: A communication system includes a first terminal and a second terminal including an stow part for stowing the first terminal. The first terminal includes a first light emitter that emits infrared light, a first light receiver that receives infrared light, and a first controller. The first controller causes the first light emitter to emit light based on first specifying information upon receiving a pairing request signal via the first light receiver. The second terminal includes a second stow sensor that detects stow of the first terminal, a second light emitter that emits infrared light, a second light receiver that receives infrared light, and a second controller. The second controller causes the second light emitter to emit light based on a pairing request signal in accordance with detection of stow of the first terminal by the second stow sensor and performs control corresponding to the information including the first specifying information.

Abstract: The communication device, which is connectable by straight or crossover wiring to another communication device, comprises a transmission port configured to send signals to the other communication device, a reception port configured to receive signals, a communication controller including an automatic transmission and reception switching component that determines whether or not the wiring is correct and automatically switches the transmission and reception of signals by the transmission port and the reception port 1, and a wiring state notification component.

Abstract: The communication device, which is connectable by straight or crossover wiring to another communication device, comprises a transmission port configured to send signals to the other communication device, a reception port configured to receive signals, a communication controller including an automatic transmission and reception switching component that determines whether or not the wiring is correct and automatically switches the transmission and reception of signals by the transmission port and the reception port 1, and a wiring state notification component.

Abstract: The invention relates to the imidazole derivatives as selective antagonistic substances against muscarinic acetylcholine and provides imidazole derivatives represented by a general formula (1) or (2) ##STR1## [wherein R.sub.1 is a phenyl group which may have substituent or thienyl group, R.sub.2 is a cyano group, a carboxyl group, CONR.sub.7 R.sub.8 group (wherein R.sub.7 and R.sub.8 each independently represent hydrogen atom or lower alkyl group, or R.sub.7 and R.sub.8 may form a ring by alkylene chain which may contain hetero atom) or COOR.sub.9 group (wherein R.sub.9 is a lower alkyl group), R.sub.3 is a hydrogen atom or lower alkyl group, R.sub.4, R.sub.5 and R.sub.6 each independently represent hydrogen atom, lower alkyl group which may have substituent or cycloalkyl groups, or may form a condensed ring at the positions of R.sub.5 and R.sub.6 with benzene ring, R.sub.10 is a lower alkyl group or an aralkyl group which may have substituent, m is an integer from 1 to 6, and z is a halogen atom].

Abstract: The invention relates to the imidazole derivatives as selective antagonistic substances against muscarinic acetylcholine and provides imidazole derivatives represented by a general formula (1) or (2) ##STR1## ?wherein R.sub.1 is a phenyl group which may have substituent or thienyl group, R.sub.2 is a cyano group, a carboxy group, CONR.sub.7 R.sub.8 group (wherein R.sub.7 and R.sub.8 each independently represent hydrogen atom or lower alkyl group, or R.sub.7 and R.sub.8 may form a ring by alkylene chain which may contain hetero atom) or COOR.sub.9 group (wherein R.sub.9 is a lower alkyl group), R.sub.3 is a hydrogen atom or lower alkyl group, R.sub.4, R.sub.5 and R.sub.6 each independently represent hydrogen atom, lower alkyl group which may have substituent or cycloalkyl groups, or may form a condensed ring at the positions of R.sub.5 and R.sub.6 with benzene ring, R.sub.10 is a lower alkyl group or aralkyl group which may have substituent, m is an integer from 1 to 6, and Z is a halogen atom!.

Abstract: Arylglycinamide derivatives represented by a general formula (1) ##STR1## (wherein Ar denotes a phenyl group which may have 1 to 3 substituents or naphthyl group which may have 1 to 3 substituents, R.sub.1 and R.sub.4 denote identically or differently hydrogen atoms or lower alkyl groups with 1 to 3 carbon atoms, R.sub.2 denotes a lower alkyl group with 1 to 6 carbon atoms, cycloalkyl group with 3 to 6 carbon atoms, lower alkyl group with 1 to 4 carbon atoms which may have a phenyl group which may have 1 to 3 substituents, norbornyl group, adamantyl group or phenyl group which may have 1 to 3 substituents, R.sub.3 denotes a hydrogen atom or lower alkyl group with 1 to 6 carbon atoms or it may form a ring constituting alkylene together with R.sub.2, R.sub.5 denotes a lower alkyl group with 1 to 6 carbon atoms or cycloalkyl group with 5 or 6 carbon atoms, R.sub.6 denotes a hydrogen atom or lower alkyl group with 1 to 6 carbon atoms or it may form a ring constituting alkylene together with R.sub.