A spring applied force actuator for a brake comprises an output member 1 movable from a first retracted position to a second, output (brake engaged) position by rotation of a sleeve 17 which is threadedly engaged with the output member a first, compression spring 4 by which can be generated on the output member an output force when the member is in its second position, first power means by which t...

A method and apparatus of detecting fractures along the wall of a formation, such as a well formed by test-drilling, provides for the transmission of ultrasonic signals in a direction essentially perpendicular to the wall from a position spaced from the wall by a predetermined distance and the reception of the ultrasonic signals which may be reflected by the wall. The space of predetermined thickn...

An electrically-controlled force-exerting actuator comprising a force-applying power spring arranged to exert a force on an output member, a force-applying control spring arranged with respect to the power spring such that the force exerted by the control spring is detracted from the force exerted by the power spring to determine the residual force exerted on the output member by the power spring,...

An electric actuator having an electric motor operable to control the output force generated by a spring system of the actuator on an output member of the actuator; measuring means responsive to a characteristic of the spring system which is indicative of the value of the output force; and an electrical circuit by which operation of the electric motor can be initiated and can be terminated when th...

An electric actuator having an output member movable from a first variable position to a second variable position, an electric motor operable to control a spring system to exert an output force on the output member when in its second position; and slack adjuster means having a second member which is carried by the output member and is engageable with a stop with reference to which the first positi...

An electric actuator having an output member movable from a first variable position to a second variable position, an electric motor operable to control a spring system to exert an output force on the output member when in its second position; and slack adjuster means having a second member which is carried by the output member and is engageable with a stop with reference to which the first positi...

An electric actuator having an electric motor operable to control the output force generated by a spring system of the actuator on an output member of the actuator; measuring means responsive to a characteristic of the spring system which is indicative of the value of the output force; and an electrical circuit by which operation of the electric motor can be initiated and can be terminated when th...

PURPOSE:To obtain a program of free overlay structure by making an overlay request when B>=n-A is false while a counter A which has the largest number of overlay nests and a counter B which has the largest number of blank planes of a region have the largest number of nests. CONSTITUTION:The number of overlay nests of a task having the largest number of overlay nests is denoted as A at a certain po...

PURPOSE:To obtain use information by a host side even when a terminal VDT is used by only a personal processing, by automatically executing opening and closing of a terminal VDT power source sub-circuit from the host side, whenever the terminal VDT is used. CONSTITUTION:When a user makes a user information read part of a terminal VDT power unit 1 read a user card, use start information 4a is trans...

PURPOSE:To prevent the increase of overhead at the time of input of a character other than KANJI (Chinese character) by communicating with the KANA (Japanese syllabary) - KANJI conversion processing by the interruption which starts and terminates the Japanese language processing and switching the input destination of input data from a keyboard by the KANA-KANJI conversion processing. CONSTITUTION:...

PURPOSE:To eliminate the directivity control of a package base of CERDIP type semiconductor device by a method wherein a package cap only is provided with an index mark. CONSTITUTION:Within a ceramic dual inline package (CERDIP) type semiconductor device 1, the directivity of a package 2 in a CERDIP type semiconductor device need not be taken into consideration in case of assembling the semiconduc...

PURPOSE:To reduce the capacity between leads for masking the products subject to strict standard for capacity between leads acceptable by a method wherein cavities not coated with any sealer are made between the leads of leadframe to be mounted between a base and a cap. CONSTITUTION:In order to coat a low melting point glass 7, the peripheral end part of a base 1 in proper width is coated with the...

PURPOSE:To add the efficiency of externally dissipating the heat of a semiconductor element through solders by a method wherein a glass epoxy substrate directly below the semiconductor element is filled with a material with excellent heat conductivity such as solders. CONSTITUTION:Within a glass epoxy substrate 1, throughholes are perforated into the lower part mounting a semiconductor element 2 i...

PURPOSE:To automatically prevent a refrigerant from leaking by a method wherein the part subject to probable leak of refrigerant such as the surface of bellows type pipes is coated with a leak-preventive material hardening in reaction to any leaking refrigerant. CONSTITUTION:The surface of bellows type pipes 10 is coated with organic or inorganic base high moleculer compound (hatched part) to be h...