Matsushita Electric Industrial Co., Ltd.

Toshiichiro Tanaka

Nobuhiro Hayashi

Seiji Yamaguchi

Shuji Abe

Akihisa Nakano

Hirofumi Nakakura

Haruo Ishikawa

Hajime Oyabu

Yoshinori Takashima

Hidetoshi Imai

Seiichi Ueno

Hiromi Hirota

Katsunory Zaizen

A vacuum cleaner with a dust sensor comprising a light-emitting element and a light-receiving element for receiving light emitted from the light-emitting element. The dust sensor is provided in a suction passage between a suction nozzle and a dust collector of the vacuum cleaner for detecting dust in air drawn through the suction nozzle to generate a current corresponding to the detection result. A manual switch decreases sensitivity to dust detection while a rotatable member cleans a carpet. This prevents variations in dust detection from influencing operation of the rotatable cleaning member.

Vacuum cleaner with device for adjusting sensitivity of dust sensor

Automatic electric vacuum cleaner with temporary manual override

A control circuit for an air cleaner including a gas sensor, an ultraviolet sensor and a control circuit for performing an automatic operation of the air cleaner in response to the detection of outputs of the sensors. A predetermined number of electrical pulses from the ultraviolet sensor are observed by the control circuit during a first predetermined time period after the passage of a second predetermined time period from a point of time when an initial pulse from the ultraviolet sensor has been inputted to the control circuit, the control circuit identifies the predetermined number of the pulses as a drive signal for initiating the operation of the air cleaner.

Control circuit for an air cleaner

A controlling apparatus controls a series of processes such as a kneading process, a fermenting process, a breathing process and a baking process of material within a bread baking mold based on the temperature of the bread baking mold detected within the baking chamber. The controlling apparatus controls a series of process of at least two types or more and is adapted to select either of the subsequent series of processes in accordance with one temperature input or two temperature inputs each respectively sensed at the kneading start time-point, during the kneading process, or at the kneading completion time-point. Fresh-baked bread which is superior may be provided independent from the changing influences of the seasons or of the material temperatures.

Automatic bread producing machine

Growing community of inventors

Youkaichi, Japan

Toshiichiro Tanaka