Abstract: New QWERTY key layout text entry method, which is designed to allow users to achieve high-speed text entry such as alphabet, numbers and symbols, on relatively small-sized devices such as cellular phones, smart phones, IP phones, landline phones, PDAs, watches, remote controllers, game controllers, Karaoke controllers, car navigation controllers, single-hand use assistive PC keyboard and other devices. Three different characters are assigned for each single keypad, and one extra character is assigned to the gap space in between two keypads, comprising manually operated two actuator elements beneath each keypad. Single key press operation at the position of left, right, or middle part of the key-top convert three different states including simultaneous activation of the two actuator elements.

Abstract: An efficient and user friendly data entry device and data entry method. At least a first symbol and a second symbol are printed on a key-top, and at least a first switch and a second switch are provided corresponding to the symbols. The first switch is activated when the first symbol is pressed, and the second switch is activated when the second symbol is pressed. When more than two switches are activated simultaneously, a predetermined output is provided.

Abstract: In this invention, pack data of a character mode including a character code is generated by a sub-code processor. The pack data is continuously recorded on a magnetic tape for a plurality of frames by rotary heads. When the pack data of the character mode is played back by the rotary heads, a controller detects the character code included in this pack data and supplies the detected code to a display to display corresponding characters.

Abstract: In this invention, pack data of a character mode including a character code is generated by a sub-code processor. The pack data is continuously recorded on a magnetic tape for a plurality of frames by rotary heads. When the pack data of the character mode is played back by the rotary heads, a controller detects the character code included in this pack data and supplies the detected code to a display to display corresponding characters.

Abstract: In this invention, pack data of a character mode including a character code is generated by a sub-code processor. The pack data is continuously recorded on a magnetic tape for a plurality of frames by rotary heads. When the pack data of the character mode is played back by the rotary heads, a controller detects the character code included in this pack data and supplies the detected code to a display to display corresponding characters.

Abstract: A keyboard type electronic musical instrument in which note data and duration data are read out from a memory in accordance with the progress of a musical piece, and a control circuit (CPU) turns on display devices provided for individual keys on a keyboard in response to note data, thus training a player to operate keys specified by the display devices. The control circuit counts each instance of noncoincidence between a key represented by the note data and an operated key on the keyboard, and obtains deviations between a key operation timing defined by duration data and the timing of key operation on the keyboard. After the end of a performance, the control circuit informs the player of the number of the mis-key operations or the accumulation of key operation timing deviations by means of the display devices. A number of display devices corresponding to the accuracy of the performance are lit.