This inventor holds 3 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1989-1997.
Company Filing History:
Years Active: 1989-1997
Title: Innovations of Hiroshi Hiraki
Introduction
Hiroshi Hiraki is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronic devices, particularly in display technology. With a total of 3 patents to his name, Hiraki continues to push the boundaries of innovation.
Latest Patents
One of his latest patents is an electronic viewfinder that incorporates means for turning off a display device. This invention allows users to observe a liquid crystal display panel screen positioned within a lens barrel through a lens. It features an infrared LED that emits pulses of light and a phototransistor positioned in an eyecup against which the user's eye is pressed. An ambient light detecting circuit provides control signals indicating whether the user's eye is pressed against the eyecup and the amount of ambient light detected. The control circuit adjusts the luminance of a backlight unit based on these signals, effectively reducing power consumption and enhancing visibility in bright conditions.
Another significant patent is an apparatus for displaying a video signal. This apparatus consists of a plurality of display elements arranged in an X-Y matrix shape, corresponding to a standard television signal. It includes a separator for extracting a sync signal from the input video signal, a control signal generator, a driver for the display elements, and a converter that adjusts the number of scanning lines based on the timing changes in each frame when different television standards are supplied.
Career Highlights
Hiroshi Hiraki is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop innovative technologies that enhance user experience in electronic devices.
Collaborations
Hiraki has collaborated with notable coworkers such as Toshio Koyama and Yoshihiro Ono. Their combined expertise has contributed to the successful development of advanced technologies in the field.
Conclusion
Hiroshi Hiraki's contributions to electronic display technology through his patents demonstrate his commitment to innovation. His work continues to influence the industry and improve user experiences in electronic devices.