Portable electronic apparatus

Claim 2

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; normally open switching means, provided in said striker, for performing switching actions each time said striker is operated in the striking manner or in the swinging manner; a signal generating means for generating a musical sound initiating command signal each time said normally open switching means performs a switching action; and a musical sound generating means for generating a single musical sound each time the musical sound initiating signal is generated by said command signal generating means; wherein said normally open switching means comprises: an undeflectable conductive member having a free end portion and a base end portion fitted in said striker; an insulating member fitted on an outer surface of the base end portion of the undeflectable conductive member; and a deflectable conductive member, having a free end portion and a base end portion, which is so arranged that its base end portion is fitted on an outer surface of said insulating member and its free end portion (a) is separated by a given distance from the free end portion of said undeflectable conductive member when the striker is not operated in the striking manner or swinging manner, and (b) comes into electrical contact with the free end portion of said undeflectable conductive member by deflecting in accordance with vibration of said striker when said striker is operated in the striking manner or swinging manner.

Claim 3

The electronic percussion instrument according to claim 1, wherein said undeflectable conductive member is an elongated rigid conductive member arranged within the striker, in alignment with its longitudinal axis.

Claim 4

The electronic percussion instrument according to claim 1, wherein said deflectable conductive member is made from a helically wound conductive spring.

Claim 5

The electronic percussion instrument according to claim 1, wherein said deflectable conductive member is made from an elastic and cylindrical conductive tube.

Claim 6

The electronic percussion instrument according to claim 1, further comprising a timbre-selecting means, for providing a desired timbre to the musical sound to be generated when the striker is operated in the striking manner or swinging manner.

Claim 7

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; normally open switching means, provided in said stick-shaped striker, for performing switching actions each time said striker is operated in the striking manner or in the swinging manner a signal generating means for generating a musical sound initiating command signal each time said normally open switching means performs a switching action; a musical sound generating means for generating a single musical sound each time the musical sound initiating commmand signal is generated from said signal generating means; and signal transmitting means for transmitting said musical sound initiating command signal to said musical sound generating means each time the command signal is generated from said signal generating means; wherein said normally open switching means comprises: an undeflectable conductive member having a pair of base end portions fitted in said striker; a pair of insulating members fitted respectively on an outer surface of the pair of base end portions of said undeflectable conductive member; and a deflectable conductive member, having respective base end portions at its ends and a middle portion therebetween, which is so arranged that its base end portions are fitted on the outer surface of each of said pair of insulating members and its middle portion is separated from said undeflectable conductive member by said pair of insulating members when said striker is not operated in the striking manner or swinging manner, and its middle portion comes into electrical contact with said undeflectable conductive member by deflecting in accordance with vibration of said striker when the striker is operated in the striking manner or swinging manner.

Claim 8

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; normally open switching means, provided in said stick-shaped striker, for performing switching actions each time said striker is operated in the striking manner or in the swinging manner a signal generating means for generating a musical sound initiating command signal each time said normally open switching means performs a switching action; a musical sound generating means for generating a single musical sound each time the musical sound initiating commmand signal is generated from said signal generating means; and signal transmitting means for transmitting said musical sound initiating command signal to said musical sound generating means each time the command signal is generated from said signal generating means; wherein said normally open switching means comprises: an undeflectable conductive member having a pair of base end portions fitted in said striker; a pair of insulating members fitted respectively on an outer surface of the pair of base end portions of said undeflectable conductive member; and a deflectable conductive member, having respective base end portions at its ends and a middle portion therebetween, which is so arranged that its base end portions are fitted on the outer surface of each of said pair of insulating members and its middle portion is separated from said undeflectable conductive member by said pair of insulating members when said striker is not operated in the striking manner or swinging manner, and its middle portion comes into electrical contact with said undeflectable conductive member by deflecting in accordance with vibration of said striker when the striker is operated in the striking manner or swinging manner.

Claim 9

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; musical sound initiating command signal generating means provided in said stick-shaped striker and including switching means for performing switching actions each time said striker is operated in the striking manner or in the swinging manner, and a signal generator for generating a musical sound initiating command signal each time said switching means performs a switching action; a musical sound generating means for generating a musical sound with a preset timbre each time the musical sound initiating command signal is generated from said sound-initiating command signal generating means; and timbre-selecting means for selecting a timbre of a musical sound to be generated from said musical sound generating means in accordance with the musical sound initiating command signal when the striker is operated in the striking manner or swinging manner, wherein said timbre-selecting means is provided in said musical sound generating means.

Claim 10

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; musical sound initiating command signal generating means provided in said stick-shaped striker and including switching means for performing switching actions each time said striker is operated in the striking manner or in the swinging manner, and a signal generator for generating a musical sound initiating command signal each time said switching means performs a switching action; a musical sound generating means for generating a musical sound with a preset timbre each time the musical sound initiating command signal is generated from said sound-initiating command signal generating means; and timbre-selecting means for selecting a timbre of a musical sound to be generated from said musical sound generating means in accordance with the musical sound initiating command signal when the striker is operated in the striking manner or swinging manner, wherein said timbre-selecting means is provided in said musical sound generating means.

Claim 11

The electronic percussion instrument according to claim 7, wherein said switching means includes a pair of conductive members and an insulating member for insulating said pair of conductive members are spaced apart with each other while said striker is not operated in the striking manner or swinging manner, and the pair of conductive members are contacted with each other when said striker is operated in the striking manner or swinging manner, whereby the switching action of said switching means is performed to generate musical sound initiating command signals in response to the switching action.

Claim 12

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; normally open switching means, provided in said striker, for performing switching actions each time said striker is operated in the striking manner or in the swinging manner; a signal generating means for generating a musical sound initiating command signal each time said normally open switching means performs a switching action; a musical sound generating means for generating a single musical sound each time the musical sound initiating command signal is generated by said signal generating means; and signal-transmitting means for transmitting said musical sound initiating command signal to said musical sound generating means each time said musical sound initating command signal is generated from said signal generating means, wherein said normally open switching means comprises: an undeflectable conductive member having a free end portion and a base end portion fitted in said striker; an insulating member fitted on an outer surface of said base end portion of the undeflectable conductive member; and a deflectable conductive member, having a free end portion and a base end portion, which is so arranged that its base end portion is fitted on an outer surface of said insulating member and its free end portion (a) is separated from the free end portion of said undeflectable member by said insulating member when said striker is not operated in the striking manner or swinging manner, and (b) comes into electrical contact with the free end portion of said undeflectable conductive member by deflecting in accordance with vibration of said striker when the striker is operated in the striking manner or swinging manner.

Claim 13

An electronic percussion instrument, comprising: a stick-shaped striker which is operated in a striking manner or a swinging manner; normally open switching means, provided in said striker, for performing switching actions each time said striker is operated in the striking manner or in the swinging manner; a signal generating means for generating a musical sound initiating command signal each time said normally open switching means performs a switching action; a musical sound generating means for generating a single musical sound each time the musical sound initiating command signal is generated by said signal generating means; and signal-transmitting means for transmitting said musical sound initiating command signal to said musical sound generating means each time said musical sound initating command signal is generated from said signal generating means, wherein said normally open switching means comprises: an undeflectable conductive member having a free end portion and a base end portion fitted in said striker; an insulating member fitted on an outer surface of said base end portion of the undeflectable conductive member; and a deflectable conductive member, having a free end portion and a base end portion, which is so arranged that its base end portion is fitted on an outer surface of said insulating member and its free end portion (a) is separated from the free end portion of said undeflectable member by said insulating member when said striker is not operated in the striking manner or swinging manner, and (b) comes into electrical contact with the free end portion of said undeflectable conductive member by deflecting in accordance with vibration of said striker when the striker is operated in the striking manner or swinging manner.

Claim 14

The electronic percussion instrument according to claim 9, wherein said undeflectable conductive member is an elongated rigid conductive member arranged within the striker, in alignment with its longitudinal axis.

Claim 15

The electronic percussion instrument according to claim 9, wherein said deflectable conductive member is made from a helically wound conductive spring.

Claim 16

The electronic percussion instrument according to claim 9, wherein said deflectable conductive member is made from an elastic and cylindrical conductive tube.

Claim 17

The electronic percussion instrument according to claim 9, wherein said deflectable conductive member is a conductive coil spring.

Claim 18

The electronic percussion instrument according to claim 9, wherein said signal-transmitting means comprises a cord electrically connected to said signal generating means, at one end, and to said musical sound generating means, at the other end.

Claim 19

An electronic percussion instrument according to claim 9, wherein said signal-transmitting means comprises: a radio wave transmitter, provided in said striker, having means for transmitting a predetermined radio wave in response to a musical sound initiating command signal from said signal generating means; and a radio wave receiver, provided within said musical sound generating means, having means for receiving the radio wave transmitted from said radio wave transmitter and to indicate initiation of generation of a musical sound in response to said received radio wave.